A man and a child with audio and video equipment.
A woman and a child with audio and video equipment.
A man and a woman are different genders.
exists s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & with(x2,x3) & n_equipment(x3) & of(x3,x5) & n_video(x5) & of(x3,x4) & n_audio(x4) & n_child(x2) & subset_of(x1,s1) & n_man(x1))
exists s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & with(x2,x3) & n_equipment(x3) & of(x3,x5) & n_video(x5) & of(x3,x4) & n_audio(x4) & n_child(x2) & subset_of(x1,s1) & n_woman(x1))