An innertube is being worked on a bicycle by a male and female.
a man fixes his car
A car and a bicycle are different things.
exists e1 x1 x2 x3 x4 x5.(Actor(e1,x3) & n_female(x5) & n_male(x4) & subset_of(x5,x3) & subset_of(x4,x3) & on(e1,x2) & n_bicycle(x2) & Theme(e1,x1) & v_work(e1) & n_innertube(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fix(e1) & n_car(x2) & of(x2,x1) & n_male(x1) & n_man(x1))