Several groups of white people are speaking to each other in front of a water fountain and building.
The people are family.
Just because all people in a group are the same race does not imply that they are family or friends or strangers. There is no way to infer relationships just by knowing that people are talking.
exists e1 s1 s2 x1 x2.(all x3.(n_other(x3) -> exists x4 x5 x6 x7 x8.(in(e1,x4) & of(x4,x5) & n_building(x8) & n_fountain(x7) & subset_of(x8,x5) & subset_of(x7,x5) & of(x5,x6) & n_water(x6) & n_front(x4) & to(e1,x3))) & Actor(e1,x1) & v_speak(e1) & of(x1,x2) & n_people(x2) & a_white(s2) & Theme(s2,x2) & n_group(x1) & a_several(s1) & Theme(s1,x1))
exists p1 x1.(n_people(x1) & exists x2.((x1 = x2) & n_family(x2)))