537 parts seem right but are wrong

Hai Mingzhu listened carefully to the question asked by the malicious spirit. Her heart sank as she thought that she couldn't tell him she had seen it in the Giant Building. Suddenly an idea occurred to her. "I saw the gramophone at her home just before the Butterfly died!"

The deduction Hai Mingzhu made seemed plausible. The thirteenth floor of the Giant Building had a large bed, on which there was blood. That was Hu Jiasheng's blood.

The large bed was not far from the gramophone. This might mean that Butterfly was likely to have carried the beloved gramophone the whole time.

If Butterfly hadn't taken the gramophone, who could be sure?

Shen Yue's advice to her was right - if Song Shiren just told a tale, who could know the truth?

The malicious spirit and the know-it-all expressed their astonishment in unison. "Were you at the scene when Butterfly died?"