
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
In an opaque bag, there are only $8$ balls with different colors, including $3$ red balls and $5$ yellow balls. Please take out $m$ red balls from the bag, then randomly pick a ball from the bag. Let event $A$ be "picking a yellow ball". If this event is a certain event, the value of $m$ is ____.

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