
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
The length of a set of four well-parked and fitted trolleys is $108 \mathrm{~cm}$. The length of a set of ten well-parked and fitted trolleys is $168 \mathrm{~cm}$. What is the length of a single trolley?

A $60 \mathrm{~cm}$

B $68 \mathrm{~cm}$

C $78 \mathrm{~cm}$

D $88 \mathrm{~cm}$

E $90 \mathrm{~cm}$

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