
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
A pizza with 18 slices is made, each adorned with at least one topping of either onions or olives. There are exactly 10 slices with onions and exactly 10 slices with olives. Determine how many slices have both onions and olives.

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