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: 'Okay! You can have all the water. I want all the food.' 'yeah sure, I will share with you all the food. What is about firewood?' 'You can have two if I can have one if you're okay with that.'
Utterance: 'My place is so cold, so I want all the firewood for save my children from cold.'

Output: No


Input: Consider 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.'

Output: No


Input: Consider Input: Context: 'I have a lot of water around me I can use. So I can give you a lot of extra.' 'Ok nice I will give you 3 food if you give me 3 water' 'OK, that works for me. But I would like a lot of firewood. I like to hunt and cook what I kill.'
Utterance: 'Ok I will give you 2 firewood '


Output: No


