TASK DEFINITION: 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.
PROBLEM: Context: 'hello how are you' 'i'm good thank you, How are you doing today?' 'I am good, let's plan our camping trips. I am diabetes, so water is very important to me. what about you?'
Utterance: 'I need water too'

SOLUTION: No

PROBLEM: Context: 'Me too!! Though it's over 100 degrees these days. 😡' 'Well hopefully it will be cooler up in the mountains. What supplies are you in need of?' 'I am a big eater. I tend to eat a lot throughout the day. You? 🙂'
Utterance: 'Ha I get that! I'll need that too, but mostly water because my family wants to do a lot of hikes.'

SOLUTION: Yes

PROBLEM: Context: 'How's it going?  If it's alright with you, you can have all of the water and I'll take all of the firewood.  We can work out a deal on the food as well.'
Utterance: 'I have circulatory issued due to a heart condition and cold quickly. I would appreciate if I could get at least 2 of the firewood. You can have 2 of the food so you won't get hungry. 🙂'

SOLUTION:
Yes