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 self-need strategy, otherwise output No. self-need is a selfish negotiation strategy. It is used to create a personal need for an item in the negotiation, such as by pointing out that the participant sweats a lot to show preference towards water packages.

Input: Consider Input: Context: 'I agree! Nice to meet you... I have two boys who always eat! Any chance I canget 2 food?' 'Food is the item of greatest value to you?' 'It is! What do you think?'
Utterance: 'The item of greatest value to me is WATER. Before thinking about an offer I need to know what your priorities are and you need to know mine in order to conclude something fair for both of you.'

Output: Yes


Input: Consider Input: Context: 'Hi - I'm so excited for our camping trip.  I'm most excited about getting to eat food that I normally don't when I am home' 'Ooh what kind of food?! Like MRE? I'm going to need lots of water because I'm going to the High Desert.' 'Hello! camper, how are you? I need us to make a deal where we all benefit.'
Utterance: 'Yes, I expect that! You need food most and I need water, so let's propose an exact trade? 3 for 3?'

Output: No


Input: Consider Input: Context: 'How are you preparing yourself to the camping trip?' 'I am trying to gather supplies for the trip. What about you?' 'I am also checking my list and updating it. How is your progress going?'
Utterance: 'Its good! I am looking forward to the activites i'll be doing, such as campfires.'


Output: Yes


