Suppose that we have a Question class that contains two data members$-$a query and an answer string. The NumericQuestion class inherits from Question. Which of the following is true?

NumericQuestion contains a query and a numerical answer but no answer string,

NumericQuestion contains a numerical answer but not a query.

NumericQuestions contains both a query and an answer string.

It is impossible to know without examining the definition of the NumericQuestion class.