
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
A certain shopping mall has four categories of food, including 40 types of grains, 10 types of vegetable oils, 30 types of animal products, and 20 types of fruits and vegetables. Now, using the method of stratified sampling, a random sample of size 20 is selected for food safety inspection. How many types of animal products are drawn in the sample?

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