Question: and the rest of the group is wasted.
Answer: --> And the rest of the group is wasted.

Question: before you can open a ism file, you'll need to figure out what kind of file the ism file extension refers to.
Answer: --> Before you can open a ISM file, you'll need to figure out what kind of file the ISM file extension refers to.

Question: please mail your cancellation to semapp@atv-semapp.dk.
Answer:
--> Please mail your cancellation to semapp@atv-semapp.dk.