A man in a red vest is strapping a little kid to an exercise machine.
Someone is strapping a child to a machine
A man in a red vest is someone and little kid is a child
exists e1 s1 s2 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_strap(e1) & to(x3,x4) & n_machine(x4) & of(x4,x5) & n_exercise(x5) & n_kid(x3) & a_little(s2) & Theme(s2,x3) & in(x1,x2) & n_vest(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(to(e1,x3) & n_machine(x3) & Theme(e1,x2) & Actor(e1,x1) & v_strap(e1) & n_child(x2) & n_person(x1))