which sentence most needs to be revised because its description is too vague? we hiked two miles uphill in…

which sentence most needs to be revised because its description is too vague? we hiked two miles uphill in the blooming forest today. we sprinted back and forth in the stuffy high school gym. we had to walk up several flights of stairs to get there. we stretched and then slowly jogged once around the track.
Answer
Brief Explanations:
The sentence "We had to walk up several flights of stairs to get there" is vague as "several" is an imprecise term. The other sentences have more specific details like "two miles", "stuffy high - school gym", and "once around the track".
Answer:
We had to walk up several flights of stairs to get there.