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.
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Question: Context: 'I need more firewood to keep my food going.' 'I get it, in that case I'' take additional packages of food.' 'I don't think so, because I need additional packages of food in case there is an emergency.'
Utterance: 'I was under the impression you don't have the need for additional firewood as you mentioned you need additional of food and water. Let me know how many packages of item you need.'

Answer: No


Question: Context: 'I agree! Nice to meet you... I have two boys who always eat! Any chance I canget 2 food?' 'Food is the item of greatest value to you?' 'It is! What do you think?'
Utterance: 'The item of greatest value to me is WATER. Before thinking about an offer I need to know what your priorities are and you need to know mine in order to conclude something fair for both of you.'

Answer: Yes


Question: Context: 'Well, let me think on that.  Why do you need so much water for a starter?' 'I get dehydrated easily. I need to water so that doesn't happen. 🙂' 'Hmm.  And why do you need so much food?'
Utterance: 'I need an extra supply of food, as I exercise a lot! 🙂'

Answer:
Yes


