Anchor: In contrast, a typical SCR installation is heavier, elevated, and adjacent to the boiler.
Entailed: An scr instattation is heavier and adjacent to the boiler 
Contradiction: The installation is lighter 
Contradiction: I know you are not a teacher.
Contradiction: A woman is touching something.
Contradiction: It won't matter whether the Lieutenant does it again or not.
Contradiction: A man is sitting on a boat.