Which Task Should Be Easier? Keeping an Image of a Block

Multiple Choice

Which task should be easier? Keeping an image of a block letter "F" in your mind AND

A) saying "yes" for each corner that is an inside corner and "no" for each corner that is an outside corner?
B) pointing to the letter "Y" for each inside corner and "N" for each outside corner?
C) saying "no" for each corner that is an inside corner and "yes" for each corner that is an outside corner?
D) pointing to the letter "N" for each inside corner and "Y" for each outside corner?