
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
Among the following statements: ① Parallel vectors must be equal; ② Vectors that are not equal must not be parallel; ③ Collinear vectors must be equal; ④ Equal vectors must be collinear; ⑤ Vectors of equal length are equal vectors; ⑥ Two vectors parallel to the same vector are collinear vectors. Among these, the incorrect statements are

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