
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
Laura and her 3 younger siblings are each to receive a new cellphone with service provider subscriptions from their parents for a family celebration. No two siblings can have the same service provider. If there are 25 available service providers, in how many distinct ways can the parents select subscriptions for the four siblings?

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