Enter "T" for each true proposition, "F" for each false proposition and "N" for each statement which is not a proposition.

 1. This statement is false.
 2. 5+7=10.
 3. All insects are ants.
 4. All ants are insects.
 5. What time is it?
 6. Do not pass go.
 7. x+1=5 if x=1.
 8. x+y=y+x for every pair of real numbers x and y.