A man with a colorful tie is exhibiting a puppet display.
A ventriloquist is showing his display and teaching how to throw your voice
One can not assume the man with a colorful tie is a ventriloquist. One can also not infer that the puppet display is his display.   Just because the man is exhibiting a puppet display, does not necessarily mean he is teaching how to throw your voice.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_exhibit(e1) & n_display(x3) & of(x3,x4) & n_puppet(x4) & with(x1,x2) & n_tie(x2) & a_colorful(s1) & Theme(s1,x2) & n_man(x1))
exists e1 p1 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & Topic(x2,p1) & exists e2.(Theme(e2,x5) & Actor(e2,x2) & v_throw(e2)) & n_voice(x5) & of(x5,x1) & n_person(x1) & n_teaching(x4) & n_display(x3) & subset_of(x4,x2) & subset_of(x3,x2) & of(x2,x1) & n_male(x1) & n_ventriloquist(x1))