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 elicit-pref strategy, otherwise output No. elicit-pref is a cooperative negotiation strategy. It is used to discover the preference order of the opponent in the negotiation.
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Question: Context: 'I need a lot of food as well but I'm willing to sacrifice it if I get all the firewood and water.' 'Thank you.  WOuld you be willing to give me all the food?  I would give you all the water and 2 firewood.' 'I can give you all the food and 1 water. I get all firewood and 2 water.'
Utterance: 'I need at least one firewood to cook my food.  Can you give me one firewood for all the water?'

Answer: No


Question: Context: 'Please grow up. No one is patronizing you. I'm trying to negotiate. Don't be so emotional okay?' 'Grow up. 🙂 This was too easy.  Now please answer the question.' 'I just told what I want in exchange for majority of the water. I'll take most of the food and wood. Or else you make out way better than I do.'
Utterance: 'That is not what I asked.  Is your main focus water?'

Answer: Yes


Question: Context: 'yes of course!' 'great!' 'So we have agreed i get 2 foods and 3 waters and you get 1 food and 3 firewood? does that sound good?'
Utterance: 'I thought you just wanted 2 waters?'

Answer:
No