YOU SAID:
purple cars go faster then red cars
INTO JAPANESE
紫車より速いし、赤い車が行く
BACK INTO ENGLISH
Purple cars and fast, red cars go
INTO JAPANESE
紫車と高速で、赤い車が行く
BACK INTO ENGLISH
Purple car and fast, red cars go
INTO JAPANESE
紫色の車と高速で、赤い車が行く
BACK INTO ENGLISH
Purple car and fast, red cars go
That didn't even make that much sense in English.