Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: From the triple loop she executed after five minutes , he suspected that she had managed to sneak off for flying more often than during the summers and wondered just how diligent George was about practicing on his own time .

Question: What is the reason for his suspicions ?
She is performing much more advanced flying maneuvers than someone who just started taking flying lessons .
Her frequent flying outside of the summers.