The ________ in a letter is a greeting to the recipient

Which of the statements a), b) and c) about C++14 is false?

a. It added several language features. b. It added several C++ Standard Library Enhancements. c. It added several bugs from C++11. d. None of the above statements is false.

____________________ integrity is the rule that if the foreign key in one table matches the primary key in a second table, the values in the foreign key must match the values in the primary key.

Fill in the blank(s) with the appropriate word(s).