Sid Sname Sage Did Dname Cid Cname Grade IID Iname Igender
23 Abebe 19 101 Comp 231 Introduction B 91 Hailu Male
45 Selam 21 101 Comp 231 Introduction A 92 Genet Female
23 Abebe 19 101 Comp 351 Database C 95 Feleke Male
34 Zelalem 20 103 Maths 351 Database B 97 Markos Male
40 Almaz 22 102 Bio 421 Cell A 93 Mengistu Male

normalize this table up to third normal form

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