Detailed Instructions: 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.
Q: Context: Sophie had a big failing and lied all the time. Her mother told her that if she lied again, she'd be punished. Sophie didn't want to be punished but couldn't help lying. When her mother caught her lying again, she sent Sophie to her room. 
 Sentence: Sophie was sad, but by herself, she found more ways to lie next time. 
 Character: Mother
A:
None