premise: A man in a mask in the back of a service vehicle.
hypothesis: A man with concealed features is in a mode of  transportation used in service.
explanation_1: if the man is wearing a mask then he has concealed features
explanation_2: A man with n a mask has concealed features and a service vehicle is a mode of transportation used in service.
explanation_3: A mask can be used to conceal features.
premise_logic: exists x1 x2 x3 x4 x5.(n_back(x3) & a_topic(x1) & in(x1,x2) & in(x2,x3) & of(x3,x4) & n_vehicle(x4) & of(x4,x5) & n_service(x5) & n_mask(x2) & n_man(x1))
hypothesis_logic: exists p1 s1 x1 x2.(exists e1 x3 x4 x5 x6.(in(x1,x3) & of(x3,x4) & in(e1,x6) & n_service(x6) & Theme(e1,x5) & v_use(e1) & (x4 = x5) & n_transportation(x4) & n_mode(x3)) & with(x1,x2) & n_feature(x2) & a_concealed(s1) & Theme(s1,x2) & n_man(x1))
premise_sim: exists x1 x2 x3 x4 x5.(of(x4,x5) & of(x3,x4) & n_vehicle(x4) & n_service(x5) & n_mask(x2) & n_man(x1) & n_back(x3) & in(x2,x3) & in(x1,x2) & a_topic(x1))
hypothesis_sim: exists s1 x1 x2.(with(x1,x2) & n_man(x1) & n_feature(x2) & exists e1 x3 x4 x5 x6.(v_use(e1) & of(x3,x4) & n_transportation(x4) & n_service(x6) & n_mode(x3) & in(x1,x3) & in(e1,x6) & Theme(e1,x5) & (x4 = x5)) & a_concealed(s1) & Theme(s1,x2))