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: 'please at least give one pack of water?' 'Alright, 0 food then? This is because only the firewood is significant for outside weather.' 'ok what you want now explain'
Utterance: 'You can take 2 firewood and 1 water.'
[EX A]: No

[EX Q]: Context: 'I would want to keep at least one packet of food for myself, unless you want to just swap 3 firewoods for 3 packets of food, to keep it simple?' 'I like your plan.  It is simple. I will agree to that.' 'So all that is left is water, i guess i should atleast drink alot of it if i wont eat much haha 🙂'
Utterance: 'For sure, and you will need some way to put out the fire. 😮'
[EX A]: No

[EX Q]: Context: 'Hello'
Utterance: 'Hi there.. how are you doing today?  I hope well!  🙂  So, it looks like we need to divy up these supplies, huh?  Do you have any thoughts on the issue?'
[EX A]:
Yes