TASK DEFINITION: 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.
PROBLEM: Context: None 
 Sentence: Andy was recently asked to dance at his daughter's wedding. 
 Character: Andy

SOLUTION: None

PROBLEM: Context: None 
 Sentence: Sally wanted to travel but she did not have money. 
 Character: Sally

SOLUTION: None

PROBLEM: Context: Paul took his son to school. But he forgot to give him a lunch. 
 Sentence: So his son shared food with his friend. 
 Character: His friend

SOLUTION:
to be helpful

