Answer: Episodic , Semantic
Explanation:
Episodic memory is the memory that recollects and recall personal thoughts and specific evens or situation.Example -remembering first day of college etc.
Semantic memory is defined as the memory responsible for retrieving general information and facts.Example- recalling meaning food and dishes etc.
According to the question, Sue is recalling episodic memory through remembering her first knitting experience and Mary is recalling semantic memory through knowing meaning of knitting.