
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
A conference lasted for 8 hours and 40 minutes including a lunch break of 15 minutes. How many minutes was the conference in session excluding the lunch break?
A) 495 minutes
B) 505 minutes
C) 525 minutes
D) 520 minutes

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