Two women talk and laugh while people walk by.
two ladies laugh and walk in the summer
The season may or may not be summer.
(-x)
exists s1 x1 x2 x3 x4.(n_summer(x4) & a_topic(s1) & subset_of(x3,s1) & in(x3,x4) & n_walk(x3) & subset_of(x1,s1) & n_laugh(x1) & of(x1,x2) & n_lady(x2) & card_eq_2(x1))