Two guys barbecuing, one in blue shirt bending down, while the other in black shorts stands facing his back to the camera.
Two guys are in a back yard.
The guys aren't necessarily in a back yard. They could be in a park, for example.
exists e1 e2 p1 s1 s2 x1 x2 x3 x4 x5 x7 x8.(n_camera(x8) & n_back(x7) & of(x7,x5) & n_male(x5) & n_other(x5) & exists e4 e3 s3 x6.(for(e3,e4) & Theme(e4,x7) & Actor(e4,x5) & v_face(e4) & to(x7,x8) & Actor(e3,x5) & v_stand(e3) & in(x5,x6) & n_shorts(x6) & a_black(s3) & Theme(s3,x6)) & while(e2,p1) & a_down(s2) & Manner(e2,s2) & Actor(e2,x1) & v_bend(e2) & rel(x1,x3) & in(x3,x4) & n_shirt(x4) & a_blue(s1) & Theme(s1,x4) & n_thing(x3) & card_eq_1(x3) & Actor(e1,x2) & v_barbecue(e1) & (x1 = x2) & n_guy(x1) & card_eq_2(x1))
exists p1 x1.(exists s1 x2.(in(x1,x2) & n_yard(x2) & a_back(s1) & Theme(s1,x2)) & n_guy(x1) & card_eq_2(x1))