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

Output: Yes


Input: Consider Input: Context: 'Hi there, how are you doing?' 'I am great. Excited to go camping. How much food do you need?'
Utterance: 'I could use some extra food, I'll be hosting a get-together at my campsite later and will need some to entertain the guests. I'd like 2.'

Output: No


Input: Consider Input: Context: 'Hello, How is your camping experience so far 🙂' 'It's going well.  🙂  How is yours?'
Utterance: 'It was going great until a bear came and took all of our food 😮'


Output: No