Read the following context and choose the best option to answer the question.
Context: After we landed , signs in English and Japanese directed us to a passport check - in where I had to give my fingerprints and a photo . I was then directed to some stairs which led to baggage claim . Michelle and I grabbed our bags and headed to customs .
Question: What may have happened before their arrival ?
Options: 
- None of the above choices .
 - They traveled by plane from Japan to the United States .
 - They booked a trip to Japan from the United States .
 - They did not arrive at the airport in time to catch the flight .


They booked a trip to Japan from the United States .