Now , for some reason , I have the car perminantly and am charged with the duty of bringing it back to Colorado to it 's rightful owner . Until then , I have a car to drive around with Valentina . I am changing my flight arrangements so that I have time to see the west coast and do some hiking and camping before I am back in Colorado . Jeanette 's tire went flat . We changed it . I had to drive us to her friends house , pack up camp , and sleep at her house . I got to groom myself . I must go now .

Question: what may not happen if the narrator does not change the flight arrangements ?
Answer: the narrator will not go to Coloradothe narrator will be unable to fulfill the dutythe narrator will be unable to see the west coast and do some hiking and camping going back to Coloradothe narrator will be unable to return the car to Colorado