
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
In a group of 40 students, 20 play soccer, 19 play volleyball, and 15 play exactly one of these two sports. How many students do not play soccer or volleyball?
(a) 7
(b) 5
(c) 13
(d) 9
(e) 10

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