The South American dancer is with a small boy during Carnival'.
The dancer is with a young girl during Carnival.
The dancer can't dance with both a young girl and a small boy at once.
exists p1 x1 x2 x3.(n_dancer(x1) & (x1 = x3) & ne_org_american(x3) & (x1 = x2) & ne_org_south(x2) & exists s1 x4 x5 x6.(with(x1,x4) & during(x4,x5) & n_'(x5) & (x5 = x6) & ne_org_carnival(x6) & n_boy(x4) & a_small(s1) & Theme(s1,x4)))
exists p1 x1 x3.(ne_geo_carnival(x3) & n_dancer(x1) & exists s1 x2.(with(x1,x2) & during(x2,x3) & n_girl(x2) & a_young(s1) & Theme(s1,x2)))