Problem: If "Alice was dusting the living room and trying to find the button that Mama had hidden. No time today to look at old pictures in her favorite photo album. Today she had to hunt for a button, so she put the album on a chair without even opening it.", is "She put the album on a chair without even opening the button." correct?

Answer: no

Problem: If "Bernard, who had not told the government official that he was less than 21 when he filed for a homestead claim, did not consider that he had done anything dishonest. Still, anyone who knew that he was 19 years old could take his claim away from him.", is "The government official was less than 21 when he filed for a homestead claim." correct?

Answer: no

Problem: If "Billy cried because Toby wouldn't share his toy.", is "Billy cried because Toby wouldn't share Toby's toy." correct?

Answer:
yes