Definition: 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.
Input: Context: 'I am excited too. I really need food too. What other item is priority for you?' 'I also need water because we plan to do a lot of hiking. What about you?' 'Wow, I think we planned the same activities for our trip. I need water too 🙂'
Utterance: 'Haha well we'll be seeing a lot of each other then. Is water your number one or two priority?'

Yes