Which three annotation uses are valid?

Which three annotation uses are valid? (Choose three.)
A. Function<String, String> func = (@NonNull x) -> x.toUpperCase();
B. var v = "Hello" + (@Interned) "World"
C. Function<String, String> func = (var @NonNull x) -> x.toUpperCase();
D. Function<String, String> func = (@NonNull var x) -> x.toUpperCase();
E. var myString = (@NonNull String) str;
F. var obj = new @Interned MyObject();

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