Question:
Based on the premise "She pointed up a rickety ladder that apparently led to some attics.", can we conclude that "She wanted us to go explore the attics. "?
****
Answer:
it is not possible to tell

Question:
Based on the premise "um you've probably seen him and just an you know oh that's who the guy is do you remember did you ever see American Graffiti", can we conclude that "i know you've never seen American Graffiti"?
****
Answer:
no

Question:
Based on the premise "I could tell what he was thinking: Yes, this man in funny clothes could be some nut...or he could be something important.", can we conclude that "I could tell what the man was thinking."?
****
Answer:
yes