Which of the following sentences correctly creates a natural pause?

Maybe we should make a new plan … the car is not running.
Maybe we should make a new plan, the car is not running.
Maybe we should make a new plan, the car, is not running.
Maybe we should make a new plan: the car is not running.

Respuesta :

the second option "Maybe we should make a new plan, the car is not running" 

2nd one makes the most sense