
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
Given Professor Chang has ten different language books, with two Arabic, four German, and four Spanish, calculate the number of arrangements of the books on the shelf while keeping the Arabic books together and the Spanish books together.

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