
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
In a meeting, there are 6 delegates participating, with delegates A and B from unit A; delegates C and D from unit B; and delegates E and F from unit C. Now, two delegates are randomly selected to speak. Calculate:  
(1) The probability that delegate A is selected;  
(2) The probability that among the two selected delegates, exactly one is from unit B or both are from unit C.

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