A group of indian women sit by a riverbank while partially submerged in the water.
The group of women are relatives.
Not all groups of people are relatives.
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_water(x5) & in(e1,x5) & by(e1,x3) & r_partially(s2) & Theme(s2,x4) & a_submerge(s2) & (x3 = x4) & n_riverbank(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_woman(x2) & a_indian(s1) & Theme(s1,x2) & n_group(x1))
exists p1 x1 x2.(n_group(x1) & exists x3.((x1 = x3) & n_relative(x3)) & of(x1,x2) & n_woman(x2))