Two village women are returning home starting from the same point. The first woman walks 1 km South, then turns to her right and walks 6 km to reach her house. In the meanwhile the second woman walks 5 km West, then she turns North and walks 4 km, then she turns to her left and walks 1 km to reach her house. Where is the second woman's house with respect to the first woman's house?

• A. 5 km North
• B. 3 km North
• C. 5 km South
• D. 3 km South