Sentence 1: Richard grew up loving bats as a kid and into his adult life. 
 Sentence 3: He often took trips into local caves and studied different species 
 Sentence 4:  One day while out at night he stumbled upon some very aggressive bats 
 Sentence 5:  They attacked him and traumatized him so that he hates bats 
 Given Sentence 2: He saw a chicken crossing the road.