Sentence 1: Vlad was an electrician. 
 Sentence 3: This started when he first made a circuit in science class 
 Sentence 4:  The circuit was only small compared with home electrics 
 Sentence 5:  Vlad knew that the bigger electricity systems would be more exciting 
 Option 1: He started his career after he was fascinated by electricity. 
 Option 2: His career ended after he was shocked by electricity.