Give correct response. A and his wife W went to have dinner with a friend.  He carried his gun with him, and before going to dinner he discharged the gun and kept it in a private place in his friend’s house.  A, then went to church after dinner and in the night returned home with his gun.  He carried the gun in the room.  He in taking it up touched the trigger and the gun went off and killed the wife.  It was found that when A was away to church another man had privately taken the gun out to shoot and had returned it loaded to the place where it was put in the friend’s house.  In this case :