Task: Coherence Classification
Input (English): Sentence 1: Tommy was five years old and did not know how to tie his shoes. 
 Sentence 3: She also showed him some youtube videos on it 
 Sentence 4:  Tommy practiced on a tying board his mother bought him 
 Sentence 5:  After a week, he could tie his shoes by himself 
 Given Sentence 2: His mother showed him how to do it.
Output (English): Yes