Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: Walking single file is the same as walking in a line.
 The question and answer:
Can we conclude from "Six people with camping backpacks are hiking up a sandy trail in single file." that "There are some people with camping gear walking in a line."?
Options:
- yes
- no
- it is not possible to tell
The answer is yes