There are three blocks, A, B and C. Block C is to the left of B and block B is to the left of A. Block A contains a medium blue square. Block B contains a medium blue square. Below a medium black square there is the medium blue square. And block C has one medium blue square. Below the medium blue square there is a medium yellow square.
Which object is to the left of a black thing? the medium blue square that is in block A or the medium blue square that is in block C?
the medium blue square  that is in block A the medium blue square  that is in block C both of them none of them