Sentence 1: Haruki was walking home when he heard the sound of a cat. 
 Sentence 3: At the very bottom, a kitten cried for help 
 Sentence 4:  Haruki ran to get help 
 Sentence 5:  With the neighbor's help, he rescued the kitten and brought it home 
 Option 1: He looked around but could not find where the sound was coming from. 
 Option 2: He looked around and eventually traced the sound to a well.