Which kind of claim does “Dinosaur is an extinct terrestrial reptile, freq. of gigantic size, of a group which was dominant in Mesozoic times, some having pelvic girdles like lizards (order Saurischia) and others like birds (order Ornithischia)”belong to? （ ）。
选项：

A:Claims of fact or existence
B:Claims of definition and classification
C:Claims of cause and consequence
D:Claims of evaluation or appraisal
E:Claims of action or policy