
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
Given 6 people, 4 are to be selected to participate in competitions for mathematics, physics, chemistry, and English, with each person participating in only one subject, and each subject must have at least one participant. Individuals A and B cannot participate in the English competition, calculate the total number of different participation schemes.

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