YOU SAID:

If a tree falls in the forest and no one is around does it make a sound

INTO JAPANESE

森に木が落ちて周りに誰もいない場合、音が鳴ります

BACK INTO ENGLISH

If there are trees in the forest and no one is around, you will hear a sound

INTO JAPANESE

森の中に木があり、周りに誰もいない場合は、音が聞こえます

BACK INTO ENGLISH

If there are trees in the forest and no one is around, you will hear a sound