
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
Alice, Bob, and Charlie repeatedly take turns tossing a die. Alice begins; Charlie always follows Alice; Bob always follows Charlie; and Alice always follows Bob. Find the probability that Bob will be the first one to toss a six. (The probability of obtaining a six on any toss is $\frac{1}{6}$, independent of the outcome of any other toss.)
A) $\frac{2}{9}$  
B) $\frac{5}{18}$  
C) $\frac{25}{91}$  
D) $\frac{36}{91}$  
E) $\frac{1}{3}$

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