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.

[EX Q]: Context: 'It will be nice to get out and explore the great outdoors, even if it is super hot!' 'I agree. What supplies could you use more of?' 'Water for sure, need to stay extra hydrated.  How about you?'
Utterance: 'Haha yup I had a feeling about that one. ;-) Yeah my wife has a bunch of crazy hikes planned so water is a must here too. What else?'
[EX A]: Yes

[EX Q]: Context: 'Me too! Is this your first time?' 'I have been camping before, but it has been a while. You?' 'Same for me!!'
Utterance: 'What sort of extra supplies are you looking for?'
[EX A]: Yes

[EX Q]: Context: 'You came here to work? I’ve been taking it easy. ' 'LOL, I mean setting up the tent and clearing the area for a campfire. I'll take a break now.' 'Sounds good.  I suggest you make a fire and relax. '
Utterance: 'Just need a little more wood.  Then it will be great to cook my dinner on.'
[EX A]:
No

