
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
Five different digits from the set
\[\{1, 2, 3, 4, 5, 6, 7, 8, 9\}\]
are placed in the form of a "V", where three digits form the left arm, two of which are also part of the base, and two unique digits form the right arm. The sum of the digits along the left arm is 16 and along the right arm is 11.
A) 17  
B) 18  
C) 19  
D) 20  
E) 21

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