
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
Four brothers have different heights. Tobias is shorter than Victor by the same amount by which he is taller than Peter. Oscar is shorter than Peter by the same amount. Tobias is 184 cm tall, and the average height of all four brothers is 178 cm. How tall is Oscar?

A) 160 cm  
B) 166 cm  
C) 172 cm  
D) 184 cm  
E) 190 cm

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