A man in a white apron is grilling on a grill outside.
The man in the white apron was grilling on the outside grill.
A man grilling outside is grilling on an outdoor grill.
exists e1 s1 x1 x2 x3 x4.(on(e1,x3) & n_outside(x3) & of(x3,x4) & n_grill(x4) & Actor(e1,x1) & v_grill(e1) & in(x1,x2) & n_apron(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 s2 x1 x2 x3.(n_grill(x3) & a_outside(s2) & Theme(s2,x3) & n_apron(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1) & on(e1,x3) & Actor(e1,x1) & v_grill(e1) & in(x1,x2))