Question:
Based on the premise "At last she heard footsteps inside, and a moment later Mrs. Vandemeyer herself opened the door.", can we conclude that "Mrs. Vandemeyer opened the door while holding her pet dog."?
****
Answer:
it is not possible to tell

Question:
Based on the premise "okay i think i did know that i just forgot okay", can we conclude that "I just forgot, okay? I did know that, I just forgot..."?
****
Answer:
yes

Question:
Based on the premise "This I was able to check independently.", can we conclude that "I was able to inspect the group on my own."?
****
Answer:
it is not possible to tell