Three people dancing acrobatically in a subway station , with one girl in a skirt doing a cartwheel over another person bending over .
It is improbable that three people are doing a circus act for tips in a subway station .
It is likely that three people are doing a circus act for tips in a subway station .
It is improbable that three people are doing a circus act for tips in a subway station .
Three people are doing a circus act for tips in a subway station .