
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 the sequence
\[..., x, y, z, 1, 3, 4, 7, 11, 18, 29, ...\]
each term is the sum of the two terms to its left. Determine $x$.
A) -3
B) -1
C) 0
D) 1
E) 3

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