A person in a multicolored suit and helmet is performing a jump with a bike in a dull colored yard.
The person is performing BMX stunts.
Just because there is a person in a multicolored suit and helmit that is performing a jump with a bike in a yard, it does not necessarily mean that the person is performing, nor does it mean that the person is performing anything related to BMX stunts.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(Theme(e1,x5) & Actor(e1,x1) & v_perform(e1) & in(x5,x7) & n_yard(x7) & a_colored(s3) & Theme(s3,x7) & a_dull(s2) & Theme(s2,x7) & with(x5,x6) & n_bike(x6) & n_jump(x5) & in(x1,x2) & n_helmet(x4) & n_suit(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_multicolored(s1) & Theme(s1,x2) & n_person(x1))
exists e1 x1 x2 x3.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_stunt(x2) & (x2 = x3) & ne_org_bmx(x3))