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: 'Hello, how are you today?' 'Good!  How are you?  Ready to go camping?' 'I'm doing well. I can't wait to go camping'
Utterance: 'I am usually not much of a camper!  I will start with an offer if that is ok with you.'
Example Output: No

Example Input: Context: 'I need to stay hydrated because the weather is hot. I am trying to lose weight so I do not need much food.' '😮I see. I have a medical condition that causes my veins to close if I get too cold. I need more firewood to make sure I don't freeze at night.' 'Would two of the firewood be enough?'
Utterance: 'Maybe... I could perhaps do with 2 firewood. But, I would like at least one packet of water.'
Example Output: No

Example Input: Context: 'hi, I'm looking forward to going camping soon'
Utterance: 'Me too! Camping is so much fun'
Example Output:
No