People are shopping in a crowded marketplace.
Many people are engaged in commerce.
People are engaged in shopping on a commerce marketplace.
exists e1 s1 x1 x2.(in(e1,x2) & n_marketplace(x2) & a_crowded(s1) & Theme(s1,x2) & Actor(e1,x1) & v_shop(e1) & n_people(x1))
exists e1 x1 x2.(in(e1,x2) & n_commerce(x2) & Theme(e1,x1) & v_engage(e1) & n_people(x1) & n_quantity(x1))