Man setting up a tent outside with onlooking girlfriend waiting.
A man is swimming.
One cannot be setting up a tent and swimming simultaneously.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & a_up(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x2) & v_set(e2) & with(x4,e1) & Theme(e1,x6) & Actor(e1,x5) & v_onlook(e1) & n_waiting(x6) & of(x6,x7) & n_girlfriend(x7) & outside(x3,x4) & n_thing(x4) & n_tent(x3) & (x1 = x2) & n_man(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_swimming(x2)) & n_man(x1))