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: 'Awe!  We have a dog as well, I love dogs!!  How about if you get 1 package of food, 1 water and 2 firewood?  Would that be sufficient for you?' 'I know I will need at least 2 packages of food. But you can have 2 of water.' 'I'm so sorry, we're getting very close to the end and will need to make a decision very soon!  We can go without any firewood so How about you get all 2 firewood, 2 water and 1 food.  I will really need at least 2 packages of food for all of us.'
Utterance: 'That works for me'

No