Sentence 1: Arnold was scared of roaches. 
 Sentence 3: He thought roaches were hiding in his house 
 Sentence 4:  One day he got up from bed for a glass of water 
 Sentence 5:  He saw a giant roach in his kitchen wall 
 Option 1: He would always be paranoid in his house because of this. 
 Option 2: He got exterminators to come all the time to ensure he never had bugs in his house.