Read the text and determine if the sentence is true (see options at the end):

Diana, Princess of Wales died on Sunday, 31 August 1997 following a car crash in Paris. There was widespread public mourning at the death of this popular figure, culminating with her funeral at Westminster Abbey on Saturday, 6 September 1997.

Sentence: Princess Diana was born before 1997
 (a). Yes; (b). It's impossible to say; (c). No;
(a).