There is a man and woman working on a bicycle tire.
the man and lady are fixing the bike tire
A bicycle is a bike, and working on a tire means to be fixing it.
exists p1 x1 e1 x2 x3 x4 x5 x6 x7.((x1 = x2) & on(e1,x6) & n_tire(x6) & of(x6,x7) & n_bicycle(x7) & Actor(e1,x5) & v_work(e1) & (x2 = x5) & n_woman(x4) & n_man(x3) & subset_of(x4,x2) & subset_of(x3,x2))
exists e1 x1 x2 x3 x4 x5.(n_tire(x4) & of(x4,x5) & n_bike(x5) & n_lady(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x1) & v_fix(e1))