A strong feeling of sadness
I would need an example of the pair of sentences that You are referring to.
Answer:
To answer the question being asked
Explanation:
we need to read the question and understand before answering.
hope it helps .
The option which is a fragment in this paragraph is the first one - Because frustrated students have been pushing for renovations so their gym can accommodate larger crowds.
It is a fragment because it is incomplete - it cannot stand on its own.