
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
At Westwood High, each of the 48 students in a class owns either a parrot, a guinea pig, or both. If 30 students have a parrot and 35 students have a guinea pig, how many students own both a parrot and a guinea pig?
A) 12
B) 15
C) 17
D) 20
E) 22

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