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.

Example Input: Context: 
Utterance: 'Hello. I am so looking forward to this camp out. My daughter just called and said she is going to come and bring some of her firiends. 🙂'
Example Output: No

Example Input: Context: 
Utterance: 'Hi there. Hope you too are looking forward to this much needed camping trip. What are your needs in terms of extra packages?'
Example Output: Yes

Example Input: Context: 'Hello there' 'Hello'
Utterance: 'What kind of items do you need?  I especially need water because I would like to do extra hiking and would need to hydrate.  '
Example Output:
Yes

