YOU SAID:
the car eats the grass just like a lawn mower with a cat on top
INTO JAPANESE
車は猫を乗せた芝刈り機のように草を食べる
BACK INTO ENGLISH
Cars eat grass like lawn mowers with cats
INTO JAPANESE
車は猫と芝刈り機のように草を食べる
BACK INTO ENGLISH
Cars eat grass like cats and lawn mowers
INTO JAPANESE
車は猫や芝刈り機のように草を食べる
BACK INTO ENGLISH
Cars eat grass like cats and lawn mowers
That didn't even make that much sense in English.