A man leans on the tree playing a clarinet while recording himself with a video camera.
A band is playing on a lawn.
A band implies that there are more than one person.
exists e2 e1 e3 s1 x1 x2 x3 x4.(n_male(x2) & n_tree(x2) & while(e2,e3) & with(e3,x4) & n_camera(x4) & a_video(s1) & Theme(s1,x4) & Theme(e3,x2) & Actor(e3,x1) & v_record(e3) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_play(e2) & n_clarinet(x3) & on(e1,x2) & Actor(e1,x1) & v_lean(e1) & n_man(x1))
exists e1 x1 x2.(on(e1,x2) & n_lawn(x2) & Actor(e1,x1) & v_play(e1) & n_band(x1))