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.
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Question: Context: 'Firewood is not overly interesting to me, but water is somewhat enticing.' 'Ok, great - I can give you all of my waters in exchange for a majority of the food and half of firewood' 'Half of firewood? There are 3 so one of us has to get more. I would need more of that. '
Utterance: 'Yep, I know there's three and no way to split evenly lol - can you give me a justifiable reason as to why you deserve more over me? Please convince me.'

Answer: Yes


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

Answer: Yes


Question: Context: 'I'm sure we can come up with a compromise! I understand the need for extra food with exercise. Sometimes I get low blood sugar and need an extra snack. I'll give you 2 food if I can get 1.' 'I think that is a totally fair split for the food. And I actually don't need a lot of firewood. I would be willing to give you all of it in exchange for the water.' 'I think so, too. I'm glad you offered that - we got stuck in the rain and need the firewood to dry our clothes. I'd be more than happy to give you all the water for all the firewood.'
Utterance: 'Great! I get dehydrated very easily, so I am pretty jumpy at the thought of running out! 🙂'

Answer:
No