A group of indigenous people relax in the shade of a large tree.
A group of people are swimming.
People can't relax in the shade of a large tree while swimming.
exists e1 s1 s2 x1 x2 x3 x4.(n_shade(x3) & in(e1,x3) & of(x3,x4) & n_tree(x4) & a_large(s2) & Theme(s2,x4) & Actor(e1,x1) & v_relax(e1) & of(x1,x2) & n_people(x2) & a_indigenous(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_swim(e1) & of(x1,x2) & n_people(x2) & n_group(x1))