
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
 $2018$  people (call them  $A, B, C, \ldots$ ) stand in a line with each permutation equally likely. Given that  $A$  stands before  $B$ , what is the probability that  $C$  stands after  $B$ ?

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