Definition: 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: Context: 'Well, if we can't settle on an agreement i'm going to walk away. We agreed I will get all 3 extra packages of the food but I still wish for the 2 extra wood and 2 extra waters' 'no we agree that you would get 3 food, i would get 3 waters' 'It's agreed, I will get 3 extra packs of food, you will get 3 waters but the extra wood for my kids is needed how about I get 2 extra firewood?'
Utterance: 'i made a mistake i would like 3 wood and 1 water.  you can have the food and 2 waters'

No