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.

[Q]: Context: 'I am doing very well. Have you planned your camping trip?' 'A bit and you? I'm looking forward to figuring out a deal that helps us both!' 'That's great. 🙂 We are planning to prepare food over a fire.'
Utterance: 'Nice! What are your highest priority items?'
[A]: Yes


[Q]: Context: 'I will give you 3 firewoods and I will take 3 water and 3 food.' 'This is not work for me at least give me one more water package' 'Nope, take it or leave it.'
Utterance: 'That's okay thank for your deal'
[A]: No


[Q]: Context: 
Utterance: 'HI, my heater hasn't arrived yet and we are in need of extra firewood. Plus, we're camping where there is 6 months of darkness, in Sweden. 😮'
[A]:
No