A man riding a lawn mower around the hedges in a garden.
A man is mowing the lawn.
Riding a lawn mower implies is mowing the lawn.
exists e1 x1 x2 x3 x4 x5 x6.(n_hedge(x5) & a_topic(x1) & in(e1,x6) & n_garden(x6) & around(e1,x5) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_mower(x3) & of(x3,x4) & n_lawn(x4) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_lawn(x2) & Theme(e1,x2) & Actor(e1,x1) & v_mow(e1) & n_man(x1))