Answer:
The yellow house has yellow window, the red house has red windows, what colour windows does the green house have?
How is it possible to always find what your looking for in the last place you look?
What can you hold in your right hand but never in your left hand?
A claustrophobic person gets on a train. The train enters a tunnel just as it is leaving the station. Where is the best place for him to sit?
The more that there is of this, the less you see. What is it?
A red house is made out of red bricks. A blue house is made out of blue bricks. What is a green house made out of?