Task: Coherence Classification
Input (English): Sentence 1: Mother couldn't find her glasses. 
 Sentence 3: She looked downstairs 
 Sentence 4:  Becoming frantic, Mother noticed her children were giggling 
 Sentence 5:  She realized her glasses were on top of her head! 
 Option 1: She looked upstairs. 
 Option 2: She looked outside.
Output (English): Option 1