
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
In a basket of marbles, $\frac{4}{7}$ of the marbles are yellow, $\frac{2}{7}$ are green, and the rest are purple. If the number of purple marbles is tripled while the number of yellow and green marbles remains the same, what fraction of the marbles will be purple after the change?
A) $\frac{1}{9}$
B) $\frac{1}{4}$
C) $\frac{1}{3}$
D) $\frac{1}{2}$
E) $\frac{2}{3}$

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