Man and Woman are working.
a man and wife working on a project
Two people working together need not be man and wife. Not all work involves a project.
exists e1 x1 x2 x3.(ne_nam_woman(x3) & ne_nam_man(x2) & Actor(e1,x1) & v_work(e1) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & on(e1,x4) & n_project(x4) & Actor(e1,x3) & v_work(e1) & (x2 = x3) & n_wife(x2) & subset_of(x1,s1) & n_man(x1))