
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
Three boys and two girls are to stand in a row according to the following requirements. How many different arrangements are there? (Answer with numbers)  
(Ⅰ) The two girls stand next to each other;  
(Ⅱ) Girls cannot stand at the ends;  
(Ⅲ) Girls are arranged from left to right from tallest to shortest;  
(Ⅳ) Girl A cannot stand at the left end, and Girl B cannot stand at the right end.

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