Task: Coherence Classification
Input (English): Sentence 1: Luke's grass in his yard was growing fast. 
 Sentence 3: Luke priced new mowers but they were too expensive 
 Sentence 4:  He decided to buy a used one at a pawn shop 
 Sentence 5:  Now Luke's yard is always well maintenanced 
 Option 1: He really needed to cut it but he didn't have a mower. 
 Option 2: He needed to cut it but it just grew so slowly.
Output (English): Option 1