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 small-talk strategy, otherwise output No. small-talk is a cooperative negotiation strategy. It is used for discussing topics apart from the negotiation, in an attempt to build a rapport with the opponent. For example, discussing how the opponent is doing during the pandemic or sharing excitement for the camping trip.
PROBLEM: Context: 
Utterance: 'Hello there! How are you today?'

SOLUTION: Yes

PROBLEM: Context: 'i have plenty of water, if you have firewood and some food' 'I have plenty of firewood.  I need two pieces of food though for my hiking.  ' 'one piece wouldn't be enough? i will give all the water'
Utterance: 'Nope, I need two.  I can give you all of the firewood. '

SOLUTION: No

PROBLEM: Context: 'Well maybe we can find a way to split it!  This isn't a problem we can't solve.  Are you in need of food too, then?' 'That would be great! I don't need food as much as I am in need of firewood, to be honest.' 'I brought purification tablets so I can make do with rainwater or river water.  How about you?'
Utterance: 'That's very smart! 🙂 Way to be prepared! I didn't think to do that.'

SOLUTION:
Yes