
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
There are 6 class officers, among which there are 3 boys and 3 girls.

(1) Now, 3 people are randomly selected to participate in the school's voluntary labor. Calculate the probability that at least 2 of the selected people are girls.

(2) If these 6 people stand in a row for a photo, where boy A can only stand at the left or right end, and girls B and C must stand next to each other, how many different arrangements are there?

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