premise: The greyhounds are running quickly in this race.
hypothesis: The big greyhounds are running quickly in this race.
explanation_1: "The big greyhounds are running quickly in this race." is the same as sentence one with the modifier "big"
explanation_2: Big greyhounds are a type of greyhounds.
explanation_3: Big greyhounds are still greyhounds.
premise_logic: exists e1 s1 x1 x2.(n_race(x2) & n_greyhound(x1) & in(e1,x2) & a_quickly(s1) & Manner(e1,s1) & Actor(e1,x1) & v_run(e1))
hypothesis_logic: exists e1 s1 s2 x1 x2.(n_race(x2) & n_greyhound(x1) & a_big(s1) & Theme(s1,x1) & in(e1,x2) & a_quickly(s2) & Manner(e1,s2) & Actor(e1,x1) & v_run(e1))
premise_sim: exists e1 s1 x1 x2.(v_run(e1) & n_race(x2) & n_greyhound(x1) & in(e1,x2) & a_quickly(s1) & Manner(e1,s1) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 s2 x1 x2.(v_run(e1) & n_race(x2) & n_greyhound(x1) & in(e1,x2) & a_quickly(s2) & a_big(s1) & Theme(s1,x1) & Manner(e1,s2) & Actor(e1,x1))