
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
Evaluate the sum of the sequence: $-50 - 49 + 48 + 47 - 46 - 45 + \cdots + 1$.
A) -52  
B) -50  
C) -48  
D) -46  
E) -44

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