Given the task definition and input, reply with output. 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.

Context: 'Me too🙂. I packed a lot of food so I have plenty to spare' 'that's awesome. I think I need more food myself, but I have tons of water.' 'I really am in need of firewood and would appreciate the extra water if you can spare some'
Utterance: 'Would it be okay if I was to get 3 food packages, and spare you 3 water packages?'

No