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'm well! Excited for this camping trip.' 'Same! I'm a little worried about some of my supplies though. What about you?' 'Likewise! What are you most in need of?'
Utterance: 'Well, I'm camping up on a snowy mountain and I gave some of my food away to hikers who were passing me and were very tired and hungry, so I'd really like to get some more food. Firewood would be useful too, although I do have a thick coat and a sleeping bag. I plan on melting the snow to get water, so I don't think I'll need that too much. And you?'
[A]: Yes


[Q]: Context: 'That's a good idea.  I'll trust you to do the coin flip.  ' 'Sure.  🙂  I'll grab a coin.' 'Calling tails.  '
Utterance: 'Looks like 2 to you!  So it's 3 water and 1 food to me then, 3 firewood and 2 food to you?'
[A]: No


[Q]: Context: 'bro u also not offer a good deal' 'one food, three wood.' 'bro it is not a fair deal give me 2 food, one firewood 2 water'
Utterance: 'if you think I am not being fair can I have what you are asking for?'
[A]:
No


