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: 'Hello, how are you?' 'Im good how are you?' 'I'm doing great, thanks.'
Utterance: 'How many of each supply would you like? what is your favorite?'

Answer: Yes


Question: Context: 'Hello, I am very cold and need food and wood to remain warm. How about I get 3 firewood, 3 food and 1 water?'
Utterance: 'That doesn't really work for me because then I would get only 2 waters and nothing else ☹️. What do you think is your highest priority?'

Answer: Yes


Question: Context: 'Yes, food is my highest. It's necessary for my friend to keep extra around just in case he crashes. Why is water your highest priority?' 'I need the water to drink - I don't trust the water I might find at the campsite.' 'Did you bring any water to start?'
Utterance: 'Yes! Did you bring any food to start?'

Answer:
No