A man wearing a black helmet and a girl wearing a pink helmet are cycling together.
A man in a black helmet is skateboarding.
One is a man and girl in a pink helmet cycling. One is a man in a black helmet skateboarding.
exists e1 e2 e3 p1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(exists s3.(Theme(s3,x1) & a_together(s3)) & Topic(e3,p1) & Actor(e3,x1) & v_cycle(e3) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & subset_of(x5,x3) & Theme(e1,x7) & Actor(e1,x6) & v_wear(e1) & n_helmet(x7) & a_pink(s2) & Theme(s2,x7) & (x5 = x6) & n_girl(x5) & subset_of(x4,x3) & n_helmet(x4) & a_black(s1) & Theme(s1,x4) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2.(Actor(e1,x1) & v_skateboard(e1) & in(x1,x2) & n_helmet(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))