one male and one female playing instruments in the street.
The two people are married.
They could be musical partners or business partners, not married.
exists s1 s2 x1 x2 x3 x4.(n_street(x4) & a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & n_instrument(x2) & of(x2,x3) & n_playing(x3) & a_female(s2) & Theme(s2,x2) & card_eq_1(x2) & subset_of(x1,s1) & n_male(x1) & card_eq_1(x1))
exists e1 x1.(n_people(x1) & card_eq_2(x1) & Theme(e1,x1) & v_marry(e1))