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: 'Definitely! I am glad we could come to an agreement. Do you like to camp a lot? Or hike?' 'I love to camp! Especially when there is enough firewood! It is a great (and inexpensive) activity for me I get a lot of enjoyment out of. Hopefully you will become an avid camper after this trip!' 'Haha maybe! I am afraid of some bugs though, especially ticks 😮'
Utterance: 'Yes, you have to check EVERYWHERE for ticks! And since we've come to an agreement, I will submit our deal!'

Output: No


Input: Consider Input: Context: 'I need 2 firewood because it gets below freezing at night' 'Oh I wouldn't want for you to freeze☹️ It also gets cold where I am, so I need 2 firewood as well.' 'IF I can't get 2 pieces of firewood, I will walk away'
Utterance: 'oh that is too bad. I feel the same way.😮'

Output: No


Input: Consider Input: Context: 'Hello, what are your preferences for extra supplies?  I am greatly in need of food and water.  We will be doing a lot of activity in a hot, dry climate.🙂' 'I prefer firewood because I will get cold at night. I forgot blankets ☹️'
Utterance: 'Would it work for you, then, to give me the three food and three water, and I can give you all of the firewood?'


Output: No