A man is grilling out in his backyard.
The man is playing baseball in his backyard.
The  man is either grilling or playing baseball.
exists e1 s1 x1 x2.(in(e1,x2) & n_backyard(x2) & of(x2,x1) & n_male(x1) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_grill(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_backyard(x3) & of(x3,x1) & n_male(x1) & n_man(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_baseball(x2))