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.

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'

A: No
****
Q: Context: 'Okay, well if you need water and firewood, that only leaves food. If you can part with extra food, here's what I'm proposing' 'Yes you can definitely have all the food. Maybe 2 firewoods and 2 waters for me?' 'Sounds good to me.'
Utterance: 'Ok great would it be ok if we have 1 of the foods?'

A: No
****
Q: Context: 'Hello, how is your camping trip going?'
Utterance: 'Hi there.  Hoping it'll be good, and yours as well.  I was hoping we could negotiate so I could get this extra water - I was planning on this being a hiking trip and it's pretty warm and humid out, so I imagine I'll need it.'

A:
Yes
****
