Which option is an example of deductive reasoning?
A. All the cherries I've eaten have been sour. Therefore, all cherries
must be sour.
B. All players must roll the dice. Igor is a player, so he must roll the
dice.
C. All my friends have been taller than me. Therefore, my next friend
will be taller than me.
D. All planes have wings. A jet is a plane, so it must be fast.