The input is taken from a negotiation between two participants who take the role of campsite neighbors and negotiate for Food, Water, and Firewood packages, based on their individual preferences and requirements. Given an utterance and recent dialogue context containing past 3 utterances (wherever available), output Yes if the utterance contains the no-need strategy, otherwise output No. no-need is a cooperative negotiation strategy. It is used when a participant points out that they do not need an item based on personal context such as suggesting that they have ample water to spare. no-need can directly benefit the opponent since it implies that the item is up for grabs.

[EX Q]: Context: 
Utterance: 'How about I take all the water and firewood, you can have all the food.'
[EX A]: No

[EX Q]: Context: 'Looking forward to doing some serious hiking with the family.  bad luck on the way here we flew in and the airline loss or bags with some of our supplies and sleeping bags.☹️' 'oh nooo, that's terrible. do they know where they left them?' 'I think they went to Chicago.  I really needing replace our lost water and sleeping bags.  I see there are some extra supplies to share.  I could really use the water and firwood.  🙂'
Utterance: 'oh yeah, you definitely do. we have all of our stuff and mostly wanted to hike and have picnics during our camping trip '
[EX A]: Yes

[EX Q]: Context: 'Haha I suck at those activities as well. I don't usually don't eat a lot, so I'm happy to exchange some food supplies for water supplies. ' 'I would be willing to do that. What do you propose?' 'I get 2 water, 1 food and 1 firewood, you get 1 water, 2 food and 2 firewood. '
Utterance: 'You know what that sounds extremely fair. I would accept that offer'
[EX A]:
No