Correct me if I'm wrong but I believe it is phrase or clause containing three or more words at the beginning or end of a sentence.
A. we read downstairs together for an hour
because<span> Adverbs of place are normally placed after a sentence's object or main </span>verb<span>. Adverbs of place can be directional. For example: Up, down, around, away, north, southeast.
downstairs is like a direction of a place which is a house</span>
Answer:
he only ate fish food not to much