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: 'Firewood, due to the area that we are going to. How about you? ' 'Oh I see. You can have all 3 firewood if you are ok with me taking all 3 food.' 'Hmm, well I'd love to get some of the food. What I took 2 firewood, 1 food and 1 water? '
Utterance: 'Sorry but I really need all 3 food. All the food I brought with me has spoiled because the AC in my car broke. ☹️'

A: Yes
****
Q: Context: 'Hello. I am so looking forward to this camp out with my son. What bring you out to the camp?🙂'
Utterance: 'I love the outdoors, and I am excited to spend time with everyone from camp. It's been since last year when I saw everyone!'

A: No
****
Q: Context: 'Hello! Do you have any sort of preference regarding the 3 camping items?'
Utterance: 'Hello there! It's nice to meet you. Truthfully, I need to get some food and some firewood. What do you need?'

A:
No
****