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: 'Yes, same here! I'm glad that we all have our own basic necessities, but extra is always wonderful. 🙂 What are you most interested in?' 'I am most interested in water! My husband and I are traveling with our newborn and we need as much water as possible!🙂' 'Ah, I see! I am in the same boat. We are camping somewhere where there is no source of water and it's very hot. Hm, let's see how to go about this'
Utterance: 'what else is a priority for you?'

A: Yes
****
Q: Context: 'how do you propose we split the food then?' 'Well I don't mind either way about the food. I'll recommend giving you 2 firewood 1 food and 1 water. ' 'how about you get 3 waters and 2 foods? Does that work better?'
Utterance: 'yes how much firewood. I need at least 1 to cook the food.'

A: No
****
Q: Context: 'I'll give you another water and food' 'I think we have a deal.  To confirm, YOU get 1 firewood, 2 food, and 1 water?  If yes, please confirm.  I think this sounds fair.' 'Yep, it's correct'
Utterance: 'Ok.  I will submit the final offer.  I appreciate your offer. '

A:
No
****