
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
In a hypothetical number system where the base is five, counting would proceed as follows:
$1, 2, 3, 4, 10, 11, 12, 13, 14, 20, \dots$ What would the twentieth number in this sequence be?
A) 35
B) 40
C) 45
D) 50
E) 55

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