Men sit outside under a tree in full bloom.
Nobody is sitting.
Either men sit, or nobody is sitting.
exists e1 s1 s2 x1 x2 x3.(in(e1,x3) & n_bloom(x3) & a_full(s2) & Theme(s2,x3) & under(e1,x2) & n_tree(x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
-exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_person(x1))