We have three blocks, A, B and C. Block A is to the left of B. Block B is to the left of C. Block A has one medium black square. One medium blue square is also in this block. The medium black square is touching the bottom edge of this block. It is below the medium blue square. Block B contains two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below a medium blue square. Medium yellow square number one is below the medium blue square and medium yellow square number two. Block C has one medium black square.
Which object is to the left of a medium black square? the medium yellow square that is touching the bottom edge of a block or medium yellow square number two?
the medium yellow square  that is touching the bottom edge of a block  medium yellow square  number two both of them none of them