We have three blocks. Lets call them A, B and C. Block A has a medium yellow square. Above block A we have block B which has three medium black squares. Medium black square number one is below medium black square number two and medium black square number three. Below medium black square number three is medium black square number two. Above block B there is block C with one medium blue square in it.
Which object is below a blue shape? medium black square number three or medium black square number one?
medium black square  number three medium black square  number one both of them none of them