Question

'A@B' means 'A is the mother of B'. 'A#B' means 'A is the son of B'. 'A$B' means 'A is the sister of B'. 'A%B' means 'A is the husband of B'. If 'G @ F $ D % E @ I, D # H' is true, then which of the following is not definitely true?

A I is the grandson of H
B E is the sister-in-law of F
C H is the father of F
D E is the daughter-in-law of G
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