
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
At a bus stop where buses numbered $1$, $3$, $5$, and $8$ all stop (assuming that only one bus can stop at this station at a time), a passenger is waiting for either bus number $1$ or $3$. Assuming that the probability of each bus arriving first is equal, the probability that the first bus to arrive is the one the passenger wants to take is _______.

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