YOU SAID:
she's mad so he's happy but they're sad
INTO JAPANESE
彼女は怒っているので彼は幸せですが彼らは悲しいです
BACK INTO ENGLISH
He is happy because she is angry but they are sad
INTO JAPANESE
彼女が怒っているので彼は幸せですが彼らは悲しいです
BACK INTO ENGLISH
He's happy because she's angry but they're sad
INTO JAPANESE
彼女が怒っているので彼は幸せですが彼らは悲しいです
BACK INTO ENGLISH
He's happy because she's angry but they're sad
That didn't even make that much sense in English.