Answer: what the other guy said lol. Some synonyms if you need them are implicit, hinted, inferred, etc.
Explanation:
A sentence expresses a complete thought having a subject and a predicate; whereas, a fragment is a phrase that expresses an incomplete thought because this is usually disconnected from a sentence. The phrase given, "While claude sets up the bookshelves" is an example of a fragment sentence.
Answer:
"One doctor drew chalk marks on the immigrants with heart problems"
Explanation:
I took the test a while ago but my memory isn't great but I'm pretty sure.