You will be given a definition of a task first, then some input of the task.
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.

Context: Millie was shopping for her wedding. She wanted to be thrifty about bridesmaids dressed. Unfortunately cheaper dresses tended to be ugly. 
 Sentence: Then Millie spotted a beautiful dress with a low price. 
 Character: Bridesmaids
Output:
None