聖歌

圣 = 又 + 土 : Mnemonic symbol: Father Christmas, 圣诞老人.

Sherlock Holmes is about to lose against Santa Claus in a boxing match in the engine's bathroom when he uses a dirty trick: lying on the floor he grabs some dirt and throws it into Santa Claus's face, thereby blinding him. Sherlock uses the opportunity to land a critical blow onto Santa Claus's big belly, but Santa doesn't even notice.

歌 = 哥 + 欠 : Guy Fawkes (g) lost a bet to his elder brother (哥) Godzilla (哥), who is waving with the IOU (欠) note Guy Fawkes signed when they made that bet. Now he'll have to sing a song (歌) to Godzilla in front of the elevator (e1).