
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 is planning to go to an outdoor concert tomorrow. The concert will take place regardless of the weather. If it rains, there is a $30\%$ probability that John will decide to go, but if it is sunny, there is a $90\%$ probability that he will decide to go. According to the weather forecast, there is a $50\%$ chance of rain tomorrow. What is the probability that John will attend the concert? Express your answer as a percent.

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