
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
In a movie theater, five friends took seats numbered 1 to 5 (with seat number 1 being the leftmost seat). During the movie, Anya left to buy popcorn. When she returned, she found that Varya had moved two seats to the right, Galya had moved one seat to the left, and Diana and Ella had switched their seats, leaving the end seat for Anya. In which seat was Anya sitting before she left?

Present the answer in LaTex format: \boxed{Your answer}
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