Teacher:In this task, you're given a context, a sentence,  and a character. The sentence describes an action or job of the given character. Also, the context provides more information about the sentence or the character. Your task is to write the character's motivation by doing a specific job, which is given in the sentence. You can use context to find the motivation; however, all the inputs do not provide context. Also, in some inputs, there can be zero motivation; output, 'None' in this case.
Teacher: Now, understand the problem? Solve this instance: Context: Joey had always wanted a funky haircut. However he had been afraid of getting one. One day he had the courage to ask his barber for a mohawk. It looked great! 
 Sentence: All his friends at school told Joey they loved his new hair. 
 Character: His barber
Student:
None