If the green house is on the right side of the road,and the red house is on the left side of the road .Where is the "White House"?

问题描述:

If the green house is on the right side of the road,and the red house is on the left side of the road .Where is the "White House"?

假设绿房子在马路右边,红房子在马路左边,请
问白房子(白宫)在哪儿?
Aswer: In Washington,D.C.(在华盛顿)
注:white house 即,白宫