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.

Input: Consider Input: Context: 'Hello, I'm hopping I could grab most of the food, I have a lot of hungry mouths to feed.' 'Hi - I can understand that. I have quite a few mouths to feed as well'
Utterance: 'hmmm, well what are you looking to get'

Output: Yes


Input: Consider Input: Context: 'thats terrible! i broke my leg and wont be able to collect my own firewood , could i maybe get 2 packages? ☹️' 'Terribly sorry to hear that; it sounds like you won't be able to camp much in that condition. I assume you have someone coming along to help you because of your leg?' 'just a bunch of children under 5 who wont be able to gather firewood. so i desperately need at least 2'
Utterance: 'I see, well it sounds like you're going to need some additional food with those children. How about I provide you with some additional food and you can help me with my need for heat with firewood?'

Output: No


Input: Consider Input: Context: 'Hello I would like to have more water then what I got because I drink a lot' 'Hi, nice getting to interact with you. It is fine if I give one of it, as that is something that I need the most as well.' 'I can give you 2 packages of food or firewood instead'
Utterance: 'Hmm. I'm not able to compromise on this, I'm fine with 1 package of firewood and food each.'


Output: No