There are three blocks. We call them A, B and C. One small yellow square, a big blue square and a medium blue triangle are in block A. The big blue square is touching the right edge of this block. It is below and to the right of the medium blue triangle. Above the big blue square is the small yellow square. It is to the left of the medium blue triangle. Block B is above block A. It has a small black square. Below the small black square is a medium yellow triangle. Below block B there is block C which has one big black circle.
What is below the medium yellow triangle? a medium blue triangle or a big blue square which is touching the right edge of a block?
medium blue triangle  big blue square  which is touching the right edge of  a block  both of them none of them