Given the task definition and input, reply with output. 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'.

Person1: Nice weather , honey !
Person2:The days are getting longer !
Person1: May and Daniel often like this kind of weather .
Person2:Yeah , they can enjoy themselves in the day time and it is not so hot .
Person1: Honey , how about taking them to the beach this weekend ?
Person2:That's great !
Person1: Since last time we've climbed the mountain , we haven't gone out for a long time .
Person2:And this kind of weather is rare for the season either .
Person1: Yes , I remember last year this time , the weather is so hot .
Person2:So we must seize this chance to go the beach .
Person1: Daniel loves the beach very much !
Person2:He will enjoy himself this weekend .
informal