
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
If $m$ men can complete a job in $d$ days, but after half the time, $r$ men leave, how long will it take for the job to be completed?
**A)** $\frac{3md - dr}{3m-r}$  
**B)** $\frac{md - dr/2}{m-r}$  
**C)** $\frac{d(m-r) + md}{2(m-r)}$  
**D)** $\frac{md - 2dr}{m-r}$  
**E)** None of these

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