
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 firefighter starts on the middle rung of a ladder and makes the following movements: 
- Climbs up 5 rungs 
- Climbs down 7 rungs 
- Climbs up 8 rungs

After extinguishing the fire, he climbs up the last 7 rungs to enter the house. How many rungs does the ladder have?
(a) 25 
(b) 26 
(c) 27 
(d) 28 
(e) 29

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