Three people dancing acrobatically in a subway station , with one girl in a skirt doing a cartwheel over another person bending over .
It is probable that several street performers show off their talents in a busy New York City station .
It is impossible that several street performers show off their talents in a busy New York City station .
It is probable that several street performers show off their talents in a busy New York City station .
Several street performers show off their talents in a busy New York City station .