Before revision:  We demonstate that in easy RATs (those solved by more than 64 \% subjects in 15 seconds) there are strong links directly connecting stimuli and response, and thus an efficient strategy consist in activating these direct links.
After revision:  We demonstate that in easy RATs (those that are solved in 15 seconds by more than 64 \% subjects in 15 seconds) there are strong links directly connecting stimuli and response, and thus an efficient strategy consist in activating these direct links.