premise: The streets are busy and people contemplate their futures.
hypothesis: People are screaming
explanation_1: People are either calm and contemplate their futures or they are panicked and screaming.
explanation_2: When people contemplate, they are generally not screaming.
explanation_3: People who are contemplating their futures usually are not screaming.
premise_logic: exists e1 s1 x1 x2 x3.(n_future(x3) & of(x3,x1) & n_thing(x1) & n_street(x1) & Theme(e1,x3) & Actor(e1,x2) & v_contemplate(e1) & n_people(x2) & Theme(s1,x1) & a_busy(s1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_scream(e1) & n_people(x1))