Explanation:

- Mid-wicket:

- Located on the leg side of the field.

- Positioned away from the batsman, requiring a shot angled toward the on-side.

- First slip:

- Positioned behind the batsman.

- Stands to the side of the wicketkeeper to catch edges from the batsman.

- Correct Answer: First slip is indeed a fielding position behind the batsman.

- Mid off:

- Positioned on the off side of the field.

- Stands close to the bowler but relatively straight from the batsman.

- Cover:

- Positioned on the off side.

- Stands away from the batsman, covering the area between point and mid-off.