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.
--------
Question: Context: 'It took a while to load but good.' 'Let's talk about how we can split the camping supplies' 'Ok I think we should split evenly'
Utterance: 'yes we should come to a fair deal, what are your priority items?'

Answer: Yes


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: 
Utterance: 'What are your preferences for water?'

Answer:
Yes


