
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
Consider the sequence defined by the nth term as $(-1)^n \cdot (n+1)$. What is the average of the first $150$ terms of this sequence?
A) -0.5
B) 0
C) 0.5
D) 1
E) -1

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