
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
A bag contains three red, three blue, and three green marbles. Four marbles are randomly selected without replacement. What is the probability that exactly one red, two blue, and one green marble are selected? Express your answer as a common fraction.

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