
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 modified sign pyramid, a cell receives a "+" if the two cells directly below it have the same sign, and a "-" if they have different signs. The pyramid now has five levels, requiring a calculation for the five cells in the bottom row to ensure a "+" at the top of the pyramid. How many possible ways are there to fill these five cells to achieve a "+" at the top?
A) 10
B) 11
C) 12
D) 14
E) 15

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