
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
Among the following methods of drawing samples, the one that does not belong to simple random sampling is __________.

1. Drawing 100 individuals from an infinite number of individuals.
2. There are 80 parts in a box. Select 5 parts for quality inspection. During the sampling operation, randomly take out a part for quality inspection and then put it back into the box.
3. Draw 3 toys from 20 toys at once for quality inspection.
4. In a class of 56 students, designate 5 of the tallest students to participate in a basketball competition organized by the school.

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