TASK 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.
PROBLEM: 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.'

SOLUTION: Yes

PROBLEM: Context: 'Hello, the trip sounds like it will be a lot of fun. What is the most important essential package for you and your family? I know we didnt bring a lot of food so I am looking for more of that than anything else.' 'Yes! Hope for lot of fun. Is there any special deal can you offer for maximum order.'
Utterance: 'What item are you looking for the most of? '

SOLUTION: Yes

PROBLEM: Context: 'Sounds good. I suggest you make a fire and relax. ' 'Just need a little more wood. Then it will be great to cook my dinner on.' 'I got some spare wood. I'm a little short on food though. I didn't pack enough. '
Utterance: 'Great, we can split the food, how are you on water?'

SOLUTION:
Yes