
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
After a sudden earthquake in a certain area, four light rescue teams, named A, B, C, and D, headed towards the disaster area from four different directions. It is known that the following four statements are all correct:

1. Team A's direction is neither A nor D;
2. Team B's direction is neither A nor B;
3. Team C's direction is neither A nor B;
4. Team D's direction is neither C nor D.

Additionally, it can be determined that if Team C's direction is not D, then Team D's direction is not A. Among the following judgments, the correct sequence number(s) is/are ___.

- ① Team A's direction is B;
- ② Team B's direction is D;
- ③ Team C's direction is D;
- ④ Team D's direction is C.

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