YOU SAID:

i once knew a piece of paper that could play tic tac toe and also dance

INTO JAPANESE

私は一度、ティックタックのつま先を弾くことができた紙を知っていました。

BACK INTO ENGLISH

I knew the paper which I was able to play Tic Tac's toe once.

INTO JAPANESE

わたしはピアノを上手にできた。

BACK INTO ENGLISH

I was able to play piano very well.

INTO JAPANESE

わたしはピアノを上手にできた。

BACK INTO ENGLISH

I was able to play piano very well.