Alternative to "The Last Problem" coffin scene:
Sherlock, Mycroft and John entered the next room. It was exactly like the others exept for a coffin who was lying on two wooden pillars in the middle of the room.
"What the hell do we do now?" John asked, not completely sure someone would respond to his question.
"Oh it's quite simple, really. You need to find the person who's the coffin is for, then save them before it's too late." Eurus replied.
"Bloody hell, this could belong to anybo-" John couldn't finish his sentence, for Sherlock lifted his right hand in the air, sign that he needed concentration.
Sherlock looked at the coffin, examining it.
"5'4, probably a woman... Wait, no, the place for the elbows is in a squarish shape, usually woman's elbows are more round shaped, that means: either it's for a short man or its for a lady with very sharp elbows..." Sherlock deduced rather quickly.
Mycroft was standing at the other