
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
(14 points) The student council of a school consists of 6 freshmen, 5 sophomores, and 4 juniors,

(1) If one person is chosen as the president of the student council, how many different choices are there?

(2) If one person from each grade is chosen to attend a meeting, how many different choices are there?

(3) If two people from different grades are chosen to participate in an activity organized by the city, how many different choices are there?

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