YOU SAID:

He walked into the basement with the horror movie from the night before playing in his head.

INTO JAPANESE

彼は頭の中で遊ぶ前の夜からホラー映画を持って地下室に入った。

BACK INTO ENGLISH

He went into the basement with a horror movie from the night before he played in his head.

INTO JAPANESE

彼は頭の中で遊む前の夜からホラー映画で地下室に入った。

BACK INTO ENGLISH

He went into the basement with a horror movie from the night before he played in his head.