I'm gonna be posting a series of questions so if anyone can help me with this it'll be great

All answers must be explained. Problem 1 (30 points): Given Relation S2021 = ( A, B, C, D, E, F, G, H, I, J) and given these functional dependencies: {C} {H} {G} {A, B} {D} {F} {E, G} {J (E, 1} {A, C, D} a. Determine the Primary Key of S2021 (5points). b. Is {E, G, C, D } a key? Explain your answer (Spoints). c. Can you tell if this table is in first normal form(5points)? d. Is the table below in Second Normal Form? Explain. The primary key is underlined (7points). {E, G, J, A, B} e. Is the table below in Third Normal Form? Explain. The primary key is underlined (8points). {I, E, H, C, D, F}