There are three blocks. Lets call them A, B and C. Block B is to the left of block A and it is above block C. Block A contains one big yellow triangle and a big yellow square. To the right of, below and touching the big yellow square there is the big yellow triangle. Block B has one big black triangle. Block C has one big black square. This block also has a small blue square. To the right of and below the small blue square there is the big black square.
Which object is below a big black triangle? the big black square or the big yellow square?
the big black square  the big yellow square  both of them none of them