premise: A man stands speaking to a crowd of sitting people, all wearing business attire.
hypothesis: A man is addressing a group of people.
explanation_1: Speaking and addressing are synonyms.
explanation_2: Crowd is a group of people, speaking to someone can be called addressing someone.
explanation_3: He is addressing a group of people because he is speaking to a crowd.
premise_logic: exists e1 p1 x1.(exists e2 s1 x2 x3 x4.(to(s1,x2) & all x6 x5 e3.((n_attire(x5) & of(x5,x6) & n_business(x6) & Actor(e3,x5) & v_wear(e3)) -> subset_of(x5,x2)) & subset_of(x3,x2) & of(x3,x4) & n_people(x4) & Actor(e2,x4) & v_sit(e2) & n_crowd(x3) & Theme(s1,x1) & a_speaking(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_address(e1) & of(x2,x3) & n_people(x3) & n_group(x2) & n_man(x1))