
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
On October 7th, before arriving at school, Xiaotong received a text message from the school and forwarded it to several classmates. Each classmate who received the message forwarded it to the same number of classmates. At this point, there were a total of 91 students who received the message. Xiaotong sent the message to ______ classmates.

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