+"The man saw the woman with his telescope."
+"The man used a telescope to see the woman."
+"The man saw the woman with her telescope."
+1. Sisters reunite in Safeway checkout after ten years apart.
+2. Large hole appears in High Street. City authorities are investigating.
+3. Mayor says bus passengers should wear seat belts.
+"There are no head injuries which are too trivial to ignore."
+The second meaning is hard to nail down. It's maybe something like "(no head
+injury) is too trivial to ignore", or "an uninjured head is so trivial that we
+can't possibly ignore it".
+The obvious meaning is that when there is a fire, you should not use the
+The other meaning is that you should *never* use the elevator in case there
+"Do not use the elevator when there is a fire."
+It could be true. If the sentence implies "this page was intentionally left
+blank by the author, but we the editors have added this notice" then it's fine.
+But if it just means "this page intentionally has no ink" then it's false.
+The purpose could be something like:
+1. Our printing process means we have a few extra pages at this point and no
+2. We don't want you to think we accidentally left something out that you might
+3. So we'll add this notice to make it clear that you're not missing anything.
+"No content on this page" or something similar would be a bit less grating than
+The temperature is a measurement system -- it's an abstract thing that can't
+ N = (+ (* 2 3 5 7 11 13)