ROOM_NO FLOOR NO BLGD_NAME POSTAL CODE DESCRIPTION SEATING CAPACITY a) ROOM b) (PK) (PK) (PK, FK1) (PK, FK2) consider the ENTITIES below. BUILDING BLGD NAME POSTAL CODE STREET MANAGER NAME MANAGER TEL (PK) (PK) In terms of relationship strength between ROOM and BUILDING, is the relationship: weak (non-identifying), or strong (identifying)? Explain your answer. For any pair of entities involved in a weak, non-identifying relationship, can wel determine which entity is a "weak entity" or "strong entity" (Yes/No)? Explain your answer. ROOM_NO FLOOR NO BLGD_NAME POSTAL CODE DESCRIPTION SEATING CAPACITY a) ROOM b) (PK) (PK) (PK, FK1) (PK, FK2) consider the ENTITIES below. BUILDING BLGD NAME POSTAL CODE STREET MANAGER NAME MANAGER TEL (PK) (PK) In terms of relationship strength between ROOM and BUILDING, is the relationship: weak (non-identifying), or strong (identifying)? Explain your answer. For any pair of entities involved in a weak, non-identifying relationship, can wel determine which entity is a "weak entity" or "strong entity" (Yes/No)? Explain your answer.