A guy in a red jacket is skiing with a large group of people.
a group of people are skiing
It cannot be inferred that the large group of people are skiing.
exists e1 s1 s2 x1 x2 x3 x4.(with(e1,x3) & of(x3,x4) & n_people(x4) & n_group(x3) & a_large(s2) & Theme(s2,x3) & Actor(e1,x1) & v_ski(e1) & in(x1,x2) & n_jacket(x2) & a_red(s1) & Theme(s1,x2) & n_guy(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_ski(e1) & of(x1,x2) & n_people(x2) & n_group(x1))