Question:
Based on the premise "I don't understand, he said.", can we conclude that "He said he didn't understand. "?
****
Answer:
yes

Question:
Based on the premise "Most societies prohibit adultery--sex between a married person and someone other than his or her spouse--at least, formally.", can we conclude that "Sex between a married person and someone other than their spouse is not accepted in most societies."?
****
Answer:
yes

Question:
Based on the premise "No, the sixth point I will keep to myself for the present." He looked quickly round the room. ", can we conclude that "He didn't want to give away the evidence. "?
****
Answer:
it is not possible to tell