
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
Points \(A\) and \(B\) are 12 units apart. Points \(B\) and \(C\) are 6 units apart. Points \(C\) and \(D\) are 5 units apart. If \(A\) and \(D\) are as close as possible, then the number of units between them is?
A) 0  
B) 1  
C) 6  
D) 11  
E) 18

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