Quiz: What does WHAT return?

Select the correct result of calling the WHAT method.


(Str)	`'String'.WHAT` returns (: (Int), (Rat), (Num), (Str) :)
(Int)	`500.WHAT` returns (: (Int), (Rat), (Num), (Str) :)
(Rat)	`3.14.WHAT` returns (: (Int), (Rat), (Num), (Str) :)	Two dots should not confuse you.
(Num)	`pi.WHAT` returns (: (Int), (Rat), (Num), (Str) :)	`pi` is `Num` by definition.
(Int)	`(-10).WHAT` returns (: (Int), (Rat), (Num), (Str) :)
(Int)	`(+10).WHAT` returns (: (Int), (Rat), (Num), (Str) :)
(Rat)	`(-1/2).WHAT` returns (: (Int), (Rat), (Num), (Str) :)
(Int)	`('3' + '4').WHAT` returns (: (Int), (Rat), (Num), (Str) :)	`'3' + '4'` does numeric addition, so the result is integer.
(Str)	`('3' ~ '4').WHAT` returns (: (Int), (Rat), (Num), (Str) :)	String concatenation gives a string.

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