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.

[EX Q]: Context: 'hello' 'Hi how are you?'
Utterance: 'I am good. How are You.   I was just thinking about how I need extra water due to a medical condition.  How about I take all 3 waters?'
[EX A]: No

[EX Q]: Context: 'Yes, food is my highest. It's necessary for my friend to keep extra around just in case he crashes. Why is water your highest priority?' 'I need the water to drink - I don't trust the water I might find at the campsite.' 'Did you bring any water to start?'
Utterance: 'Yes! Did you bring any food to start?'
[EX A]: No

[EX Q]: Context: 'Are you bringing several coats while camping?' 'Yeah, I might even have too many.I still need water the most,so I'm thinking I should take the water and you should take the firewood.' 'I can deal with that. I'd rather a little thirst than being cold.'
Utterance: 'Okay, So I'll take all three water, you'll take all three firewood package and I'll take one food package and you get two. What do you think? 🙂'
[EX A]:
No