YOU SAID:
She is being petty so she feels sad for the other person
INTO JAPANESE
彼女はささいなので、彼女は他の人のために悲しく感じます
BACK INTO ENGLISH
She feels sad for others because she is petty
INTO JAPANESE
彼女はささいなため、彼女は他の人にとって悲しい
BACK INTO ENGLISH
She is sad for others because she is petty
INTO JAPANESE
彼女はささいなため、彼女は他の人にとって悲しいです
BACK INTO ENGLISH
She is sad for others because she is petty
This is a real translation party!