Task: Coherence Classification
Input (English): Sentence 1: Steven wanted a ps4. 
 Sentence 3: He took up extra shifts at his job 
 Sentence 4:  In 2 months he was able to save up enough 
 Sentence 5:  Steven was able to play with his ps4 
 Given Sentence 2: He saw that the ps4 was expensive.
Output (English): Yes