
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
Three volunteers, named A, B, and C, are randomly assigned to one of four different posts, A, B, C, or D, with an equal probability. The probability that at least two of them are assigned to the same post is (   ).

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