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, what is your preference for supplies?  I would prefer to have as much extra firewood as possible, but am relatively indifferent to the rest.' 'yes we have to supply more how much you want'
Utterance: 'I would like 3 firewood, and 2 food.  You can have 1 food and all of the water.'

Answer: No


Question: Context: 'so you need 3 water, 2 firewood and 1 food?' 'Yes, I need 3 waters and 2 firewood and 1 food. I really believe the extra supplies will bring comfort in case something were to happen. what are your thoughts?' 'sorry, but I need alot of water too, you cannot get all 3'
Utterance: 'would you compromise with 2 waters, 2 firewood, and 0 food? '

Answer: No


Question: Context: 'What are your preferences for water?' 'Water is not something I want to haul on my camping trip.  I would like to haul extra wood though.  ' 'I would actually prefer more water'
Utterance: 'That is great.  Looks like we are on our way to making a deal.  How do you feel about wood?  '

Answer:
Yes