Task: Coherence Classification
Input (English): Sentence 1: Harry loved to scavenge for gemstones. 
 Sentence 3: One day, he finally found some yellow topaz 
 Sentence 4:  He took it home and shaped it into a gemstone 
 Sentence 5:  He sold the gemstone for a profit 
 Given Sentence 2: He spent his weekends looking for topaz.
Output (English): Yes