I'd politely informed the one in pink several times that I didn't want a massagee or anything else in the same vein. On the final occasion she tagged along beside me to chat, and we ended up having a hilarious english lesson, watched by the ugly little sister (blue), and an unintroduced observer (middle). She produced a tattered exercise book with english vocab lists, and for over an hour we sat on the kerb and worked smoothly through this, thus, these, those, etc, only to stumble on "fight" which she pronounced "fart". When I told her english interpretation of "fart" the resulting shrieks of laughter almost stopped traffic! She quickly flicked past over a fairly all-inclusive list of vocab relevant to her massagee tout alter-ego. I explained to her that "John" could mean either a WC or a massage client.