Question 1
Given:
A is B's stepmother.
B is C's biological father.
C is D's mother.
Find the minimum steps to deduce A's relation to D.
Step 1: A is B's stepmother.
Step 2: B is C's biological father.
Step 3: C is D's mother.
Therefore, A is D's step-grandmother after 3 logic steps.
Step 2: B is C's biological father.
Step 3: C is D's mother.
Therefore, A is D's step-grandmother after 3 logic steps.