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.

Q: Context: 'Hi there, good to connect with you. How are you today?'
Utterance: 'I am good, thank you.  What are your preferences? I really need the extra food packages.  We are doing a lot of hiking and mountain biking and there are no grocery stores for at least 50 miles.🙂'

A: Yes
****
Q: Context: 'Hello how are you today? 🙂' 'Fine.'
Utterance: 'You aren't very talkative are you? What preferences do you have for packages?😮😮😮'

A: Yes
****
Q: Context: 'Will you give me 2 packages of food and i give you 1 package of water?' 'Hello! I can give you 2 packages of food of you give me 3 packages of water' 'Let me give you 2 packages of water for 3 packages of food.'
Utterance: 'well, food is more valuable for me. what is your preference?'

A:
Yes
****