Question 1
Given:
X is Y's grandfather.
Y is Z's father.
Z is W's brother.
Find the minimum steps to deduce X's relation to W.
Step 1: X is Y's grandfather.
Step 2: Y is Z's father.
Step 3: Z is W's brother → Y is also W's father.
Therefore, X is W's great-grandfather after 3 logic steps.
Step 2: Y is Z's father.
Step 3: Z is W's brother → Y is also W's father.
Therefore, X is W's great-grandfather after 3 logic steps.