
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
There are 9 cards with the same back, and different natural numbers from 1 to 9 are written on the front of each card. Now, with the back of the cards facing up, one card is randomly drawn. Calculate the probability that the number on the front is an odd number.

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