There are two blocks, A and B. Block A is to the left of B. Block A contains one small yellow triangle, one big blue square and a big blue triangle. To the right of and below the big blue triangle there is the small yellow triangle. It is near to the big blue square. Block B contains a medium blue square and a medium blue triangle. To the left of the medium blue triangle is the medium blue square.
What is to the left of the medium blue square? a small shape or a medium blue triangle?
small shape medium blue triangle  both of them none of them