Question:
Based on the premise "There may be situations, too, where graphic presentations will be more effective than tabular presentations.", can we conclude that "There is no place for tabular presentations. "?
****
Answer:
it is not possible to tell

Question:
Based on the premise "But he knew the answer.", can we conclude that "He knew the answer, but couldn't say it out loud."?
****
Answer:
it is not possible to tell

Question:
Based on the premise "Let's If he chose Netscape, he got the same hourly rate I charge all clients, no more, no less.", can we conclude that "He got the same hourly rate I charge all clients, no more, no less, if he chose Netscape."?
****
Answer:
yes