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: 'Okay, so how do you propose splitting the firewood?' 'Can we split a bundle, in the real world that would be cool.  ' 'I wish we could. I would be down for that. 🙂 That seems the most fair to me. How about you enter the trade deal on your end?'
Utterance: 'Deal. '

SOLUTION: No

PROBLEM: Context: 'Hi, I hope we can work together to get an offer that benefits both of us.🙂' 'I agree! Nice to meet you... I have two boys who always eat! Any chance I canget 2 food?'
Utterance: 'Food is the item of greatest value to you?'

SOLUTION: Yes

PROBLEM: Context: 'Hi! How are you?! You excited for your camping trip??! I sure am ready to go on mine!' 'I am very excited, I'm actually going camping in a week. I drink a lot of water so it's important that I bring a lot. What about you?' 'I really am! I have been watching the weather and updates about the area I will be traveling to.  They are experiencing a severe drought, so I will be in need of some extra water as well! I planned on staying an extra couple days as well.  There is a stream nearby I believe, but I'm not sure how much it has dried up.'
Utterance: 'That's good to hear, you always have to be careful with wild water though, it has all kind of germs. Sounds like you'll have plenty of dry firewood though. '

SOLUTION:
No