sentence: If you are tired , you can stop at a petrol station or at a restaurant to relax , and if there are more passengers in the car , you can swap with them , so you will feel less tired .
modified: If you are tired you can stop at a petrol station or at a restaurant to relax yourself , and if in the car there are more passengers you can change with them , so you will feel less tired .
transformation: PUNCT, PRON, OTHER, VERB