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: 'Food as well teenage boys you know they eat a lot of food, and then a bit of firewood  but i am sure we will agree on something' 'Right...hmm. What do you say to 2 food, 1 firewood for me?' 'i am good with that how many waters do you want can i have 2?'
Utterance: 'Sure we can do that 🙂'

Output: No


Input: Consider Input: Context: 'You are welcome! 🙂 I am happy that we reached an agreement! Did you happen to see any dry looking trees on along your way?' 'I am also happy we reached an agreement so easily! You are a great partner for compromising! Honestly, I am not sure how to tell if the trees look dry but I would definitely help you go look for some. I will submit our original deal so we can get on with camping🙂🙂' 'Thank you! Stay safe out there! If you need anything else, let me know.'
Utterance: 'You as well! Have fun!'

Output: No


Input: Consider Input: Context: 'Well some needs are higher than others.  I need more food but I can give up some firewood or water.' 'I think we can start off with 3 water for me and 3 food for you' 'That sounds good. What about firewood?'
Utterance: 'Can I get 2 firewood?'


Output: No