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: 'if i accept the deal, how much will i get ?' 'You get 1 water 2 firewood and 2 food packages.' 'i propose, 2 water, 1 food and 2 firewood to you, is that good ?'
Utterance: 'Sorry I can't do that 1 water is not enough for me. '

A: No
****
Q: Context: 'Hi! I look forward to making a trade with you that's good for us both.'
Utterance: 'Me too, hopefully we can get together on a deal.'

A: No
****
Q: Context: 'how am i supposed to stay alive with one package of food and water im fat lol' 'I don't think you that fat, your lipids will help you stay warm and full out there, haha' 'Im not as good at you at foraginf for food and water i probably dont have the experience as you do being in the outdoors and living off the land.🙂'
Utterance: 'With the extra firewood, you can hunt for fish and other animals outside to thrive'

A:
No
****