Anchor: SCR systems can also use urea as a reagent, and it is becoming preferred to ammonia in many cases because of its safety.
Entailed: Urea is safer than ammonia for SCR systems.
Contradiction: SCR systems cannot use urea as a reagent.
Contradiction: Ca'daan told A'deem that the man was an enemy and could not be trusted. 
Contradiction: two people look at aquatic animals
Contradiction: It was a legitimate business.
Contradiction: Sure, the army's not going to directly invade Russia, but you can try to fight over other countries.