
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
Mr. Earl E. Bird typically gets up every day at 8:00 AM to commute to work. If he drives at an average speed of 50 miles per hour, he will be late by 4 minutes. If he drives at an average speed of 70 miles per hour, he will be early by 4 minutes. What average speed must Mr. Bird maintain to reach work exactly on time?
**A)** 48 mph  
**B)** 55 mph  
**C)** 58 mph  
**D)** 60 mph  
**E)** 65 mph

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