TASK 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 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.
PROBLEM: Context: 'Good morning! Are you excited to go camping this weekend?'
Utterance: 'Yes, how about you! We are headed to Joshua Tree NP to do some rock climbing and hiking. '

SOLUTION: No

PROBLEM: Context: 'Hello. I really just need firewood for my wife and daughter and some extra water for myself.'
Utterance: 'Hello, i also need firewood, i have a medical condition where it is very hard to maintain my body temperature. '

SOLUTION: Yes

PROBLEM: Context: 'Hello there! How are you?' 'Hai friend I am fine what about you?me and my team going to trip on some snow fall place I want some help from you.' 'Well, let's negogiate friend! What interests you the most?'
Utterance: 'Okay. I need 3 package of fire woof and 2 pack of food and 2 pack of water.'

SOLUTION:
No