Definition: 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: Context: 'hai friend, me and my team going to trip on some snow fall place i want some help from you' 'Yeah sure. I do my level best .' 'okay friend. In my team old age sicked peoples and kids are there so i need some extra package.'
Utterance: 'Okay friend. Which item do you need the most?'

Yes