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: 'I am so excited to go camping!  I am planning a nice long walk in the woods to decompress from the hectic days of working.'
Utterance: 'I am too.  I've been thinking of this since COVID.  I hear we have some materials to share between the two of us.  What are you thinking?  For me, I am from the South so I get cold easily 🙂 so firewood is my main priority.'
[EX A]: No

[EX Q]: Context: 'Hello How is preparing for your trip going?'
Utterance: 'Hi! I've made some mistakes so I need some extra supplies. ☹️ Which item do you need the most?'
[EX A]: Yes

[EX Q]: Context: 'I was actually saying you get 2 firewood and I get 3 waters. Then you could have 2 food and I get 1 food.' 'That's seems fair to me since we all need food to eat' 'Okay, I'm glad we were able to work something out!'
Utterance: 'Am also glad.You are more interested in water. Do you drink a lot of water frequently?'
[EX A]:
Yes