1) The scene depicts Sherlock confronting Irene Adler, the only female character, in a polite and calm manner that challenges stereotypes of aggressive masculinity.
2) Irene is portrayed as confident and intelligent through her unhesitating speech, challenging stereotypes of desperate or fussy femininity.
3) Different lighting is used to characterize the characters - high-key lighting on Irene implies she is positive, while low-key lighting on the men implies they have experienced difficulties, reflecting stereotypes of hardworking masculinity.