
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
A rapid transit line (straight) has four stations: A, B, C, and D. The distance between station A and station B is 3 km, the distance between station B and station C is 2 km, and the distance between station C and station D is 5 km. The distance between station A and station D is 6 km. How far is it between station A and station C? __ km

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