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.
--------
Question: Context: 'Hi there, how are you doing today?' 'I am doing well, thanks! ' 'That's good to hear. I am going camping this weekend and need some extra supplies. What about you?'
Utterance: 'That's great! I also have a comping trip planned. We will be having an all night dance party. I could definitely use some extra supplies. What are you in need of the most?'

Answer: Yes


Question: Context: 'Hey there fellow camper! How's it going? ' 'Hey camper buddy! all goes well. and you?' 'All is good. Could you tell me about your package preferences?'
Utterance: 'I need water and firewood. What about you?'

Answer: Yes


Question: Context: 'Water is important!! To me firewood is more important as I have anemia and I'm ALWAYS cold lol' 'Alright. I have a  feeling we will have a deal then. How about you give me two water for a firewood?' 'that sounds like a plan'
Utterance: 'how many firewood you need? Maybe we could also exchange one food for one more firewood?'

Answer:
Yes