If is is not is and is not is is what is it is not is and what is it is is not if is not is is? Can you punctuate this so that it has meaning?
13. CATCHING A HINT
Passing one day by train through a station I caught sight of two words upon a large advertisement, which seemed cut out for puzzle purposes; and before long I had framed the following riddle:
Bisect my first, transpose its first half, and between this and its second half insert what remains if you take my second from my first. The result is as good to eat as my first and second are to drink.
14. IS IT GRAMMAR?
It is difficult at first sight to grasp the meaning of this apparently simple sentence:—“Time flies you cannot they pass at such irregular intervals.” How does it read?