YOU SAID:

Cat playing piano, because lasers.

INTO JAPANESE

猫はピアノを弾いている、レーザーだから。

BACK INTO ENGLISH

Cats are playing the piano, because it is a laser.

INTO JAPANESE

猫はレーザーなので、ピアノを弾いている。

BACK INTO ENGLISH

Cats are laser, so I'm playing the piano.

INTO JAPANESE

猫はレーザーですので、ピアノを弾いています。

BACK INTO ENGLISH

Because the cat is a laser, I play the piano.

INTO JAPANESE

猫はレーザーなので、私はピアノを弾く。

BACK INTO ENGLISH

As a cat is a laser, I play the piano.

INTO JAPANESE

猫はレーザーなので、私はピアノを弾く。

BACK INTO ENGLISH

As a cat is a laser, I play the piano.