
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
How many ways can we arrange 4 history books and 6 science books on a shelf if all the history books must stay together and all the science books must also stay together? Each book within its subject is distinct.

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