Detailed Instructions: In this task, you are given a paragraph, and your job is to generate comma-separated entities present in the given paragraph. Generate entities from a given passage in such a way that (i) they are present in the paragraph, (ii) they are non-duplicate, (iii) they underwent a state change during the process. Avoid creating entities that (i) aren't present in the process paragraph and (ii) aren't significant.
Problem:Energy is created by burning either diesel or petrol in a combustion chamber. The energy is transferred from the pistons moving up and down at high speeds. This piston motion is converted to a rotary motion through the crankshaft and axle. The axle turns the wheels. The car moves forward.
Solution:
diesel ,petrol ,energy ,pistons ,piston motion ,rotary motion ,car