
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
Chris and Dana start working on the same day. Chris's schedule features 5 work-days followed by 2 rest-days. Dana's schedule encompasses 6 work-days followed by 1 rest-day. How many times in their first 1200 days do they both share a rest-day?
A) 170
B) 171 
C) 172
D) 175

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