
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
Eugene, Brianna, Marcus, and Katie decide to go on a run. The inital speed of Eugene is 5 miles per hour. Brianna runs $\frac{3}{4}$ as fast as Eugene, Marcus runs $\frac{5}{6}$ as fast as Brianna, and Katie runs $\frac{4}{5}$ as fast as Marcus. How fast does Katie run?

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