Which statements about annotations are correct? (Choose three.)

A. Annotations contain data that changes throughout the program execution.

B. Adding an annotation to a class that already compiles may trigger a compiler error and cause it to fail to compile.

C. Annotations contain metadata about a Java type.

D. Annotations cannot be applied to lambda expression variables.

E. Annotations cannot be applied to other annotations.

F. Removing all annotations from a class that already compiles will not introduce a compiler error.