
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
Let propositions A, B, and C be given. If A is a necessary condition for B, C is a sufficient condition for B but not a necessary condition for B, then C is A's \_\_\_\_\_\_.
1. Sufficient but not necessary condition
2. Necessary but not sufficient condition
3. Necessary and sufficient condition

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