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 Input:
Context: 'Hello! I am happy to give you two of the waters and one of the fire wood. Would that work for you?' 'I could go for 2 of the waters-I get dehydrated easily so must have those. Would you consider 2 waters and 1 firewood?🙂' 'I would be okay with that, if I can have extra of the food?'
Utterance: 'I really don't need a lot of food when camping so I would be happy to agree to that!🙂'

Ex Output:
Yes


Ex Input:
Context: 'I would be most happy to make a concession on the food for an extra ration of water. Are you going to require any firewood if you don't need any I think i'll take the 3 rations so I can have a nice bonfire.' 'I do believe I would need at least one firewood, but am willing to give up 2, so you can have a nice big bonfire 🙂' 'You have been most thoughtful during this negotiation I just want to say thank you for being so helpful.🙂'
Utterance: 'absolutly! You as well. So just to confirm. Me 2 food 1 water, 1 firewood. You, 1 food, 2 water, and 2 firewood? Sound good?'

Ex Output:
No


Ex Input:
Context: 'Thank you very much. I am anemic so it helps to have all the firewood to keep warm.🙂' 'OK NO MENTION AND WHY YOU WANT FOOD' 'I tend to eat more food when I am active outside. I drink more water too because I don't want to get dehydrated.'
Utterance: 'OH OK '

Ex Output:

No