If back-benchers are always talking in the classroom, a teacher should

Moving the persistent talkers to the front benches brings them under the teacher's direct attention and curbs the chatter.

Letting them continue ignores the disturbance and lets it spread.

Punishing them may breed resentment without curing the habit.

None of the above is wrong, since relocating them is a sound, positive step.

Proximity control, teaching near restless students, is a recognised management technique.

Rearranging seating is a low-key way to prevent misbehaviour.