Read the following context and choose the best option to answer the question.
Context: I was seated in 15D ( aisle ) and could use half of the seat next to me ( since I had to share it with the passanger at 15F ) for sleeping as comfortably as possible . We got dinner and breakfast , everything was decent . On this plane there is no entertainment at all ( no audio , video or games ) . Only crying babies brought a bit of excitement .
Question: What may be a plausible fact about my trip ?
Options: 
- I was travelling by air .
 - None of the above choices .
 - I was travelling by sea .
 - I was travelling by land .


I was travelling by air .