YOU SAID:

there has been a mass genocide of monkeys

INTO JAPANESE

サルの大量虐殺がありました

BACK INTO ENGLISH

There was a genocide of monkeys

INTO JAPANESE

サルの虐殺がありました

BACK INTO ENGLISH

There was a monkey massacre

INTO JAPANESE

猿の虐殺がありました

BACK INTO ENGLISH

There was a monkey massacre