An old disabled man in a wheelchair is helped along by his friends.
A young man tap dances with his friends.
Either a man can tap dance with his friends or has to be in a wheelchair with his friends, not both.
exists e1 s1 s2 x1 x2 x3 x4.(Actor(e1,x4) & n_friend(x4) & of(x4,x1) & n_male(x1) & a_along(s2) & Manner(e1,s2) & Theme(e1,x1) & v_help(e1) & in(x1,x3) & n_wheelchair(x3) & n_man(x1) & of(x1,x2) & n_disabled(x2) & a_old(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(with(e1,x3) & n_friend(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_tap(e1) & n_dance(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))