Step 1: Understanding the Concept:
Create a table to map the three variables: Person, Shirt Color, and Trouser Color based on the given constraints.
Step 2: Identifying the Vector of Change:
Fill in the definite clues first:
- B: Red Shirt.
- D: Green Shirt, Indigo Trouser.
- G: Blue Shirt.
- E: Blue Trouser.
- E's Shirt = C's Trouser. Since E cannot wear Blue shirt (G does) or Blue trouser (he does), and B wears Red, we deduce E's Shirt must be Yellow/Black/White/Violet.
Step 3: Calculation:
- A's Shirt = F's Trouser.
- F has no yellow dress. A has no white shirt.
- From clue (ii), G wears a Blue shirt. Red/Blue is not a combo, so G's Trouser is not Red. E wears Blue trousers, D wears Indigo.
- Through elimination of trousers for G (not Blue, Indigo, Red, Yellow, or White), we find G wears Cream trousers.
Step 4: Final Answer:
G's trousers are Cream. Thus, the correct option is (b).