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: 'Hi there - how are you today?' 'I'm doing well.  How are you today?' 'Pretty good. Just hanging out with our group. Looking forward to this upcoming camping trip. It's a college reunion weekend. '
Utterance: 'Oh.  That sounds fun.  I'm getting ready to go camping with my family next weekend as well.  It will be the first time that my kids have gone camping with me.'

A: No
****
Q: Context: 
Utterance: 'Hi. I'd like to have all the food packages for my children and two of firewood. Will you accept it🙂🙂🙂'

A: No
****
Q: Context: 'I'm good. I'm excited for the camping trip. I have been planning this for a few weeks. I'm excited to get out into the woods.' 'Oh great! I love getting out into nature.' 'Do you have any preferences in regards to the firewood, food, and water? I would like us both to get what we need.'
Utterance: 'I get really cold at night so I'd like to have extra firewood. '

A:
Yes
****