The person in white T-shirt is walking.
T-shirt and walking on it
a person cannot walk on a T-shirt if they are wearing it
exists e1 s1 x1 x2.(n_person(x1) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_t-shirt(x2) & a_white(s1) & Theme(s1,x2))
exists e1 s1 x1 x2.(ne_org_t-shirt(x1) & a_topic(s1) & subset_of(e1,s1) & on(e1,x2) & n_thing(x2) & Actor(e1,x2) & v_walk(e1) & subset_of(x1,s1))