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: 
Utterance: 'Hi there! Curious as to what's on your mind regarding each item. I have my own preferences, but will share after you.'

Answer: Yes


Question: Context: 'I see. I wouldn't want you to go hungry. ☹️' 'thank you for that.' 'I'm glad we seem to have come to an agreement. This camping trip is going to be fun!'
Utterance: 'I'm so excited! So just to be clear: you get 1 food, 2 firewood, 3 water'

Answer: No


Question: Context: 'Hello, I'm going camping today and I can't wait!' 'Nice, so are we!'
Utterance: 'That is awesome! The one bad thing about my campsite is there's no stream or lake nearby. I'm going to need a lot of it so I can shower/wash up'

Answer:
No