In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

what movie is singing in the rain from
The Hollywood Revue of 1929

during diagenesis the sediments may undergo ___ changes
physical

how many stars does the american flag has

fifty