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.

Example Input: Context: 'okay that sounds like a better deal then! I will take all the firewood and 1 food, and you can take the 2 food packages' 'Awesome, I appreciate that. How does the water need look on your side?' 'I think having two waters would be good for me because my mom forget to pick extras up at the store yesterday😮'
Utterance: 'Oh no! Moms can always be so forgetful. I do notice that leaves you with 6 items and me with 3 though. I think it might be better if I take the 2 waters to make it more equal.'
Example Output: No

Example Input: Context: 'Hello fellow camper! I am interested to know your preference in items?' 'Hello! Yes I'm excited for the trip. 🙂 My most important is food. How about you?'
Utterance: 'I am excited too. I really need food too. What other item is priority for you?'
Example Output: Yes

Example Input: Context: 'Hello! 🙂 Let's work together on a deal for these packages, shall we? What are you most interested in?'
Utterance: 'Hey! I'd like some more firewood to keep my doggo warm. What do you need?'
Example Output:
Yes