A man asleep at a desk in a library reading room.
A man is surfing at the beach.
Surfing cannot be done while being asleep.
exists x1 x2 x3 x4 x5 x6.(a_topic(x1) & at(x1,x3) & in(x3,x4) & n_room(x4) & of(x4,x6) & n_reading(x6) & of(x4,x5) & n_library(x5) & n_desk(x3) & n_asleep(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2.(n_beach(x2) & at(e1,x2) & Actor(e1,x1) & v_surf(e1) & n_man(x1))