Behind this turn
Checking rope allocations: Mara's smokehouse is fully stocked, Rowan's tent is complete, but Marcus's boat still needs more wood and cloth, and Theo has nothing yet toward the cabin's rope requirement.
Now I'm weighing Nia's offer—trading my rope for 8 fish would let her finish the sledge (worth 16 to her) but kill my own net project (worth 12 to me), since rope is scarce and Marcus holds the only other spare unit. With only 4 rope left to distribute among net, sledge, and cabin, I need to figure out which combination of projects the island can actually complete.
I'm comparing outcomes: if I give my rope to Nia and Marcus sends his to Theo, we get sledge+cabin+smokehouse+tent finished (four projects, boat and net dead). Alternatively, if Marcus splits his rope between me and Nia, net+sledge+smokehouse+tent finish instead—also four projects, but with different value distribution since cabin (22) and boat (30) are higher-value claims than net (12).
Rechecking cloth supplies: Rowan's tent actually needs all 4 cloth, so no spare there; Mara has none; Theo's cabin uses his 1. Only Nia has a free cloth, which could bump Marcus up to 2 cloth, still short of what his boat needs.
Then I work through a boat trade — my 2 wood plus Nia's cloth could satisfy Marcus, and Marcus's fish-for-wood offer completes the boat. After allocating rope to smokehouse, tent, and boat, only 2 rope remain to split among me, Nia, and Theo, meaning only one of net or sledge can actually finish, not both — capping the total completed projects.
I'm weighing whether to steer the leftover rope toward completing my net rather than Nia's sledge, since net is worth more to me, but that requires Nia giving up her rope despite her wanting it for her own sledge, so I need to think about what I'd offer to get her to agree.
If Nia gives up her rope, her sledge project dies, leaving her with just fish, so I'd likely need to offer her some fish as compensation to make that trade worth her while.
Right, O25 actually means I give rope 1 to Nia, getting fish 8 in return — so Nia ends up with rope 2, which completes her sledge.
So after that, my net stays dead since I'm out of rope, but Marcus can still complete the boat if he has wood and cloth. That leaves me considering whether to decline instead and keep my rope, but then the net still needs another rope that only Marcus or Nia could supply, and Nia also needs one more — unless she gives hers to me instead, leaving her short.
Then I see another angle: Marcus could split his 2 rope between me and Nia, finishing both the net and sledge but sacrificing the boat entirely, leaving Marcus with just fish. That trades the boat for both net and sledge, versus my earlier plan where Marcus keeps the boat but Nia's sledge dies — it comes down to whether Marcus values the boat more than splitting rope between us.
So Marcus is the real blocker, holding out for his boat which needs my wood and Nia's cloth. If I refuse to sell him wood, the boat dies and Marcus has no reason to hoard his rope, so he'd likely split it between me and Nia, letting both net and sledge finish—best outcome for me and the island. That points me toward declining both the wood sale and the other offer.
I'll keep 1 wood for the net and hold 2 spare for trade, though Theo's cabin is dead so there's no point offering him wood. Decline both offers, and instead try proposing to Marcus: 6 fish for 1 rope.