TOPICS:
Orientation
(Show what is above, below,
left, above, below, in front, behind ....)
logical series
(Show me what you do not series)
Look for the same
(Find the same pictures)
Components into systems
(Consisting of image parts)
Sequence - ranking
(First, last ...)
Select images whose name begins (ends)
same watchtower
Colors and Shapes
Each time the role permanently signaled green light
(Can be canceled).