premise: A black and a brown dog are running toward the camera.
hypothesis: Dogs are running toward the camera.
explanation_1: A black and a brown dog are dogs.
explanation_2: A black dog plus a brown dog is a pair of two dogs.
explanation_3: Dogs are running outside.
premise_logic: exists e1 e2 s1 s2 s3 x1 x2 x3 x4.(n_camera(x4) & n_camera(x2) & toward(e2,x4) & Actor(e2,x3) & v_run(e2) & n_dog(x3) & a_brown(s3) & Theme(s3,x3) & toward(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_brown(s2) & Theme(s2,x1) & a_black(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(n_camera(x2) & toward(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))