
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
Consider the product of the factors $(1 - \frac{1}{2})(1 - \frac{1}{3})(1 - \frac{1}{4})\cdots(1 - \frac{1}{15})$. What is the value of this product?
A) $\frac {1}{15}$
B) $\frac {1}{2}$
C) $\frac {1}{10}$
D) $\frac {2}{15}$
E) $\frac {3}{10}$

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