Grandmother and grandchild walking home hand in hand on the green grass.
These people are running.
walking and running are different actions
exists s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_grass(x6) & a_green(s3) & Theme(s3,x6) & ne_nam_grandmother(x1) & a_topic(s1) & subset_of(x2,s1) & in(x2,x5) & on(x5,x6) & n_hand(x5) & n_hand(x2) & of(x2,x4) & n_home(x4) & of(x2,x3) & n_walking(x3) & a_grandchild(s2) & Theme(s2,x2) & subset_of(x1,s1))
exists e1 x1.(n_people(x1) & Actor(e1,x1) & v_run(e1))