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 am doing great! camping is super enjoyable' 'Do you bring enough stuff?' 'I have some stuff, but I really need a decent amount of firewood. Gets really cold at night where we camp'
Utterance: 'I am fine with the cold although I might need some to set up the fire. I have a baby with me so I might need to heat up the milk or food. '

Answer: No


Question: Context: 
Utterance: 'Hello, I will start out by saying that I would like to have 3 water because I do not have a nearby water source. What is your situation?'

Answer: Yes


Question: Context: 'Hi friend. 🙂 I'm going camping in the woods near my grandparents cabin. I'm inviting some friends along for a little bit of fun too because they have a guest house and a great field for tents. Would you like to come too? '
Utterance: 'Oh that sounds awesome. I am actually going camping with my grandparents and my children. So I would love to have 2 firewoods for them. They get cold easily so I would like a little extra to make sure they can stay warm throughout the evening. 🙂'

Answer:
No