Anchor: Japp was regarding Poirot with comical perplexity. 
Entailed: Poirot was being observed by Japp in a hilariously perplexed manner. 
Contradiction: Japp looked at Poirot in a way which suggested he fully understood what was going on. 
Contradiction: Teenagers have overdeveloped brains, which leads to their behavior.
Contradiction: The man is outside.
Contradiction: Two men standing by a car
Contradiction: There are many people standing near each other.