Sentence 1: Kate spared a centipede baby. 
 Sentence 3: Now there was another baby one on her wall 
 Sentence 4:  She reluctantly killed the baby centipede 
 Sentence 5:  She didn't want to give it a chance to scare her once it matured 
 Option 1: Two weeks later she saw a young one that could be the same one. 
 Option 2: She never saw it again.