
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
A school has 7 student council members, among them there are 4 male members: $A_{1}$, $A_{2}$, $A_{3}$, $A_{4}$, and 3 female members: $B_{1}$, $B_{2}$, $B_{3}$. One male and one female member are to be selected to form a group for a certain activity.  
(Ⅰ) Calculate the probability of $A_{1}$ being selected;  
(Ⅱ) Calculate the probability that neither $A_{2}$ nor $B_{2}$ are selected.

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