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: 'yes we have to supply more how much you want' 'I would like 3 firewood, and 2 food. You can have 1 food and all of the water.' 'oh okay I will send you what are the materials you have'
Utterance: 'I already have a good supply of fresh water from the lake I will be camping by, and can hunt for some food but not all. What are you in need of?'
[A]: Yes

[Q]: Context: 'Hi! how are you doing? I hope you are getting things packed for the camping.' 'Hi there! I am doing well. I am getting things ready and so excited! How are you doing?'
Utterance: 'I'm great! and almost done with packing. and exited about the camping too. Waiting to explore and learn during the trip.'
[A]: No

[Q]: Context: 'i will give you that in exchange for 1 food and 3 water with 2 firewood' 'please consider my request i'm big in size so please accept to give two pack of food and 2 water and 1 firewood' 'cool'
Utterance: 'do you accept my deal?'
[A]:
No