There is a man with a green t-shirt cooking hamburgers and hotdogs outside on a grill.
There is a man swimming in the lake.
The man is swimming or cooking.
exists p1 x1 s1 s2 x2 x3 x4 x5 x6 x7 x8.((x1 = x2) & subset_of(x6,x2) & on(x7,x8) & n_grill(x8) & outside(x6,x7) & n_thing(x7) & n_hotdog(x6) & subset_of(x3,x2) & with(x3,x4) & n_hamburger(x4) & of(x4,x5) & n_cooking(x5) & a_t-shirt(s2) & Theme(s2,x4) & a_green(s1) & Theme(s1,x4) & n_man(x3))
exists p1 x1 x4.(n_lake(x4) & exists x2 x3.((x1 = x2) & in(x2,x4) & n_swimming(x2) & of(x2,x3) & n_man(x3)))