
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]


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A mall has four types of food, including 40 varieties of grains, 10 varieties of vegetable oil, 30 varieties of animal products, and 20 varieties of fruits and vegetables. A sample of 20 is drawn for food safety testing. If stratified sampling is used to draw the sample, then the sum of the number of varieties of vegetable oil and fruits and vegetables drawn is ▲.

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