Read the following context and choose the best option to answer the question.
Context: The flight from Boston to Miami went flawless . Nobody sat next to me so I was even able to put up all of the arms and use the three seats around me as a small bed . Sadly , Miami to San Jose was another story .
Question: What may be the reason they could n't use the seats as a bed on the second flight ?
Options: 
- There were more people on the plane .
 - They were n't tired on that flight .
 - The flight crew did n't allow that .
 - There was too much turbulence .


There were more people on the plane .