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 Input:
Context: 'Hello, how are you doing today?' 'Hi! I am doing good.What about you?' 'Doing well, I'm exciting about my next camping trip with my family. '
Utterance: 'Yeah that's fine.What you need the most?'

Ex Output:
Yes

Ex Input:
Context: 'Hi! I'm super excited to camping with my family! We have had to cancel all our original travel plans due to Covid and we're really looking forward to this trip. Especially my son! He's been so restless at home. Are you going camping too?' 'Yes, I am! I can't wait. I'm going on a 3 week trip to this gorgeous lake.'
Utterance: 'Wow, 3 weeks is a long camping trip! I don't know if I have enough supplies to go for a trip that long. Are you doing a cabin-style or really roughing it? My husband and son want to do a lot of hiking so we're thinking of moving camp daily.'

Ex Output:
No

Ex Input:
Context: 'Well my sister and her husband are celebrating their anniversary this weekend so we volunteered to watch her daughters. We decided it would be fun to take her kids and ours camping! What about you? 🙂' 'That is really nice of you! I hope they have fun! My family had this trip planned for quite awhile. We have an extra person with us because my son begged me for his friend to come. I couldn't say no. 🙂' 'I have definitely been there before! With taking all the kids I'm worried about them getting dehydrated. I also have a 7 month old that needs water to make her bottles! I was hoping to get 3 extra packaged of water for sure. '
Utterance: 'That is one of my fears as well. Does you seven month old breast feed? I am hoping for the water as well. I would love to give them to you if I had extra. Is there anything else you need?'

Ex Output:
Yes