Definition: 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'.
Input:  Person1:       I ’ m looking forward to relaxing this coming weekend . 
 Person2:I hope that I can finally find free time too . I ’ Ve been so busy at work recently . 
 Person1:        How might you spend the weekend . 
 Person2:I hope to do a little gardening . I find it very relaxing . 
 Person1:        I might do that too . I hope the weather is nice . I could go and play some golf . 
 Person2:I heard that the weather should be good . There ’ s a possibility of a shower , but it ’ s not very likely . 
 Person1:        Hopefully , we ’ ll both have relaxing weekends . 
 Person2:Of course , something could come up and stop that wish coming true . 
 Person1:        Unfortunately , there ’ s always the possibility of some urgent work requiring our attention . 

formal