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: 'Great! What extra supplies would you like to bring?' 'Since it's hot there, I get thirsty and dry real quick. 😡' 'Oh ok, well I plan on bringing some juice, beer and other drinks. So I could spare some extra water. And I am pretty good at fishing, so I won't need much food either'
Utterance: 'How nice of you. I certain we can work something out. 🙂'

Output: No


Input: Consider Input: Context: 'I need a lot of food as well but I'm willing to sacrifice it if I get all the firewood and water.' 'Thank you.  WOuld you be willing to give me all the food?  I would give you all the water and 2 firewood.' 'I can give you all the food and 1 water. I get all firewood and 2 water.'
Utterance: 'I need at least one firewood to cook my food.  Can you give me one firewood for all the water?'

Output: No


Input: Consider Input: Context: 'Hello How is preparing for your trip going?' 'Hi! I've made some mistakes so I need some extra supplies. ☹️ Which item do you need the most?'
Utterance: 'I need water the most we are campin  in arizona how about you'


Output: Yes


