There are two blocks, A and B. One medium yellow square and one big yellow triangle are in block A. Below the big yellow triangle is the medium yellow square. To the right of block A there is block B with one big blue triangle and a big black triangle in it. It also has a medium blue square. The medium blue square is to the right of and above the big blue triangle which is below the big black triangle.
Which object is to the left of a big triangle? the big blue triangle or the medium yellow square?
the big blue triangle  the medium yellow square  both of them none of them