Three blocks, called AAA, BBB and CCC exist. A big yellow square is in front of a small blue circle and is near to a medium black triangle. The big yellow square is within block BBB. The small blue circle is within block BBB. The medium black triangle is in block BBB. Block CCC has a medium blue circle which is to the south of a big yellow triangle. Block CCC contains the big yellow triangle.
Are all big yellow triangles within all blocks?