Two people walking in the street one holding a pair of shoes.
Two people are holding shoes outside.
a pair is 2 shoes, the 2nd sentence sounds like multiple pairs of shoes
exists e2 e1 x1 x2 x3 x4 x5.(n_street(x3) & card_eq_1(x3) & a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_hold(e2) & of(x4,x5) & n_shoe(x5) & n_pair(x4) & in(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(a_outside(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_shoe(x2) & n_people(x1) & card_eq_2(x1))