
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
A person shoots a basketball two consecutive times. Given the mutually exclusive events "exactly one shot is successful" and "no shots are successful", determine the event that is the union of these two events.

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