
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
John flips a fair coin ten times, and each time it lands on heads. Astonished, he prepares for an eleventh flip. What is the probability that this eleventh flip will result in tails? Express your answer as a common fraction.

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