Task: Text Completion
Input (English): Sentence1: Joe was an amateur prospector. Sentence2: He went out in the hills to look for gold. Sentence3: Instead of gold, he found many small blue and green stones. Sentence4: He gathered them all up to be appraised in town. 
 (A) Joe hoped the stones were worthless. (B) Joe hoped they were valuable.
Output (English): A