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: 'Me too! I'm hoping for two food items and one water. I'm diabetic so if my blood sugar drops, I may need the extra carbs. And water because water is important! 🙂 ' 'I prefer two water and one food. I can understand why you need the extra food items. I'm not much of a snacker but do drink a lot of water all the time. Keeps me from eating more!🙂' 'Lol, it seems it was easy for us to come to a deal! I'm super bad at drinking water (trying to get better) so I don't feel I'll need as much. Do you want all of the firewood or should I take one and you take two? '
Utterance: 'I don't have a preference on the firewood. You may have two if you like. It's so hot that I don't cherish the idea of a fire BUT it does keep the bugs at bay!🙂'

Ex Output:
Yes

Ex Input:
Context: 'Tell me why you need so much firewood?' 'I have other people coming with me and we don't have insulated sleeping bags. The temperature also drops drastically at night.' 'Well i need at least 1 firewood so we have to make that work'
Utterance: 'How about this I get 2 packages of firewood and 2 packages of water. You can have all my packages of food. This will be a hunting camp trip for me.'

Ex Output:
Yes

Ex Input:
Context: 'I need a lot of food, because of how many people are coming now (like 3 times as many). Also, there's only one stream in the area and it's really far from our campsite, so it would be super inconvenient to have to hike there everyday to refill our canteens. We are in a forest though, so we should be good for wood. Since you can easily fish, what if I take 3 food and 2 water? You can keep all the firewood. 🙂' 'Well I have to have some food and I don't need all of that water. How about I take 2 water, 1 firewood, and 1 food. I do need the firewood to cook the fish but I dont need it to keep warm at night because I have hefty sleeping bags that work excellent in the cold.' 'That could work, but I'm still a little worried I won't have enough food for 6 people. How long are you guys going to be camping for?'
Utterance: 'I will be camping for 3 day so I gotta have some food. Although, I do understand your situation.'

Ex Output:
No