Disclaimer: I do not own Sherlock. Or the Phantom of the Opera. Pity!
But
"Shush!"
John made a dismissive gesture.
"It will start again any minute now."
"Can't wait for that to happen," Sherlock said, sarcastically. "Didn't you notice that it was all a fake up to now?"
"Sherlock!" John warned.
"It's true!" Sherlock insisted. "The guy with the lantern earlier on the bridge …"
"… who would be the Phantom," John intervened. "Thanks for paying attention!"
"… who was dragging the girl over the bridge …"
"Christine, yes," John elaborated. "So, what about them?"
"Those were not the same persons as before."
"How can you possibly know that?" John enquired. "We didn't even see the phantom before!"
"But we saw him later, performing this Phantom song on stage together with the girl … Christine or whatever her name is," Sherlock explained. "And it was definitely another guy."
"Are you sure?"
"Left-handed, John, left-handed!"
"Yes, I am left-handed, but how …"
"Not you!" Sherlock shouted, pointing at the flat screen. "The Phantom! The Phantom is left-handed, didn't you notice?"
"No …" John admitted.
"And you didn't notice the tattoo on his left wrist either, I reckon."
John pursed his lips.
"So he has a tattoo, so what?"
"Nothing," Sherlock said, evenly. "I am just saying you are not paying enough attention to the thing you claim to love so much."
John frowned, confused.
"But …"