
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 following sum:
\[ 2 - 3 - 5 + 8 + 13 - 21 - 34 + 55 + 89 - 144 - 233 + 377 + \cdots + 46368 - 75025 - 121393 + 196418 \]
A) 1346260
B) 6765 
C) 196418
D) 75025

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