Teacher: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'.
Teacher: Now, understand the problem? Solve this instance:  Person1:       How about doing shopping this weekend ?  
 Person2:What're you going to buy ?  
 Person1:        Sportshoes.Will you go with me ?  
 Person2:OK . 
Student:
formal