People are hanging out at a beach side cafe.
The beach side cafe is empty.
A place cannot be empty when people are hanging out.
exists e1 s1 x1 x2 x3 x4.(at(e1,x2) & n_cafe(x2) & of(x2,x4) & n_side(x4) & of(x2,x3) & n_beach(x3) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_hang(e1) & n_people(x1))
exists s1 x1 x2 x3.(n_cafe(x1) & of(x1,x3) & n_side(x3) & of(x1,x2) & n_beach(x2) & Theme(s1,x1) & a_empty(s1))