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 Input:
Context: 'Yeah, firewood isn't really something that's "essential" I'd have to say. Yeah, you need it, but still.' 'True. 🙂' 'Seems like we'll be struggling to see who gets the firewood most of all haha'
Utterance: 'No, I like a little firewood.'

Ex Output:
No


Ex Input:
Context: 'I have the same needs. I have a low metabolism, so I need food and firewood to keep me warm and energized. Water I plan on filtering elsewhere.' 'Ok, well, I'd like to help. How about if I take 2 food and 1 firewood and 2 water, and you can keep the rest?' 'Would you mind if you got 3 food and 1 water and I got 3 firewood and 2 water?'
Utterance: 'I'd like some firewood though... Would 3 food and 1 firewood for me work?'

Ex Output:
No


Ex Input:
Context: 'so you need 3 water, 2 firewood and 1 food?' 'Yes, I need 3 waters and 2 firewood and 1 food. I really believe the extra supplies will bring comfort in case something were to happen. what are your thoughts?' 'sorry, but I need alot of water too, you cannot get all 3'
Utterance: 'would you compromise with 2 waters, 2 firewood, and 0 food? '

Ex Output:

No