
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 certain unit, there are 180 people aged between 20 and 35 years old, 108 people aged between 35 and 50 years old, and 72 people aged between 50 and 60 years old. To understand the daily exercise habits of the employees in this unit, a stratified sampling method is used to survey 20 people from this unit. How many people should be selected from the age group of 35 to 50 years old?

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