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: 'Hello there! I look forward to striking up a deal that's good for both of us. 🙂' 'hello, me too. what is most valued to you?'
Utterance: 'I just want to make sure that I get a lot of firewood. It's going to be freezing cold on my trip, and I need to make sure I can stay warm. What's most valued to you?'

Ex Output:
Yes


Ex Input:
Context: 'Hi, '
Utterance: 'Hello. What sort of supplies are you looking for?'

Ex Output:
Yes


Ex Input:
Context: 'Hello ' 'Hello! I am excited for my upcoming camping trip. Mostly I will need water. How about you?' 'I would need more firewood for my camping trip. '
Utterance: 'That is good to know. Firewood Isn't very important to me, so you are welcome to all of that if you need it. '

Ex Output:

No