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: 'Hi! I'm really excited for the camping trip, but I guess can we talk about it first? I don't think we're supposed to rush into a decision.' 'Okay, What did you thing about the camping trip?' 'I'm excited to go on it! I haven't gone it yet, that's why we're talking about supplies now.'
Utterance: 'Yeah, What did think about water? '

Yes