Read the following article and answer the question by choosing from the options.

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 .

What may be the reason they could n't use the seats as a bed on the second flight ?
Choices:
* 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 ....A:
There were more people on the plane .