YOU SAID:
dogs are for eating and cats are small yellow pests big boy small insects
INTO JAPANESE
犬を食べている猫は小さな黄色い害虫ビッグボーイの小さな昆虫、
BACK INTO ENGLISH
Cat dog eat small insects, small yellow pest big boy
INTO JAPANESE
猫犬が小さな虫を食べる小さな黄色い害虫ビッグボーイ
BACK INTO ENGLISH
Cat dog eats small insects small yellow pest big boy
INTO JAPANESE
猫犬食べる小さな昆虫小さな黄色い害虫ビッグボーイ
BACK INTO ENGLISH
Cat dog eats small insects small yellow pest big boy
That didn't even make that much sense in English.