You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. You are required to assign a label 'formal' if there is an absence of emotion and a presence of questions anywhere within the conversation. If such pattern is not found assign the label 'informal'.

[EX Q]: Person1: Hi , Ellen . That outfit looks terrific !
Person2:Thanks , Jim . I didn ' t think guys paid attention to stuff like that .
Person1: No , we just don ' t usually admit it !
Person2:Well , thanks for the compliment anyway !
[EX A]: informal

[EX Q]: Person1: Sam , we are hard up for the everyday expenses . When can you find a job .
Person2:I'm looking for it , but you see , the market is hard up for jobs , too .
Person1: You liar , I saw you again in the inn . I bet you don't want to work at all .
[EX A]: formal

[EX Q]: Person1: I want to buy a parking permit , please .
Person2:Are you a full-time student or do you attend part-time in the evenings ?
Person1: I attend both day and evening classes .
Person2:Will you be riding a motorcycle or do you drive a car ?
Person1: I ride a motorcycle .
Person2:That permit will run twenty-five dollars ; will that be cash or credit card ?
Person1: I'll use a credit card , thank you .
Person2:Do you need a second permit for a car ?
Person1: No , just the motorcycle permit .
Person2:Fine , here it is and have a great semester !
[EX A]:
formal