A group of people sit in a circle outside around a man playing a white accordion.
A family watches a man performing a concert
A group of people does not imply a family and playing does not imply performing a concert.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(in(e1,x3) & around(x4,x5) & Theme(e2,x7) & Actor(e2,x6) & v_play(e2) & n_accordion(x7) & a_white(s1) & Theme(s1,x7) & (x5 = x6) & n_man(x5) & outside(x3,x4) & n_thing(x4) & n_circle(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Theme(e1,x4) & Actor(e1,x3) & v_perform(e1) & n_concert(x4) & (x2 = x3) & n_man(x2) & n_family(x1))