Question:
Based on the premise "Several examples of his early works reminded me that he was not completely worthless after all.", can we conclude that "Several examples of his early works convinced me that he has never done anything worthwhile."?
****
Answer:
no

Question:
Based on the premise "Now, obviously this woman, whoever she was, was saved.", can we conclude that "The woman was saved by her boyfriend, who came in at unexpected time."?
****
Answer:
it is not possible to tell

Question:
Based on the premise "Over the last decade, our government and our nation have become", can we conclude that "Over the last decade, our government and our nation haven't become anything."?
****
Answer:
no