Explanation:

- Option 1: Uneven parallel bar

- This event involves a set of two horizontal bars at different heights.

- Gymnasts perform swings, releases, and catches.

- Option 2: Floor exercise

- The correct choice.

- Takes place on a large, square mat.

- Involves a combination of dance, tumbling, and acrobatics.

- Option 3: Vaulting table

- Uses a springboard and a vaulting table.

- Gymnasts sprint, jump, and perform aerial skills.

- Option 4: Balance beam

- Performed on a narrow, horizontal beam raised off the floor.

- Requires balance and precision for various movements.