Question: If "Tom gave Ralph a lift to school so he wouldn't have to drive alone.", can we conclude that "Tom wouldn't have to drive alone."?
Answer: yes

Question: 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.", can we conclude that "She put the album on a chair without even opening the album."?
Answer: yes

Question: If "I saw Jim yelling at some guy in a military uniform with a huge red beard. I don't know who he was, but he looked very unhappy.", can we conclude that "I don't know who Jim was, but he looked very unhappy."?
Answer:
no