
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

Calculate the minimum number of bats that the naturalist had to examine to obtain the following results: two bats could see with their right eye, three bats could see with their left eye, four bats couldn't see with their left eye, and five bats couldn't see with their right eye.

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