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 self-need strategy, otherwise output No. self-need is a selfish negotiation strategy. It is used to create a personal need for an item in the negotiation, such as by pointing out that the participant sweats a lot to show preference towards water packages.

[EX Q]: Context: 'well i do need alot of firewood since i need it to start a fire' 'Okay, so you can take all the firewood and I take all the food. I will also need at least two waters because I had a limited supply at home.🙂' 'no, i will need 2 water because i need to drink it and there not much water around me'
Utterance: 'Please work with me. I will need plenty water to make it to the top of the mountain.'
[EX A]: Yes

[EX Q]: Context: 'okay how about if i only get 2 food packages and i give you 2 firewood. So we both gets something to help us/ Because i to at least 1 firewood' 'That would work for me if I get all 3 water still' 'How about you get 2 of the waters an i would take 1 of them? I need some water to stay hydrated '
Utterance: 'If you get two foods then I need more items overall'
[EX A]: No

[EX Q]: Context: 'That sounds great! What do you prefer with the additional packages for camping?' 'Yes I do! I was to ask you that in this conversation, will you be Okay with any agreement?' 'Let's see what we are both thinking and negotiate from there. What are your first thoughts on the additional camping packages?'
Utterance: 'I need all the food packing and some basic needs for the camping, may I know about your first though on which you need additional package?'
[EX A]:
Yes