Three of the following are examples of learning. which one is not?
abigail cries when she steps on a sharp pebble.
after many hours of heated debate, brian begins to advocate political practices he has previously opposed.
cara suddenly recognizes how the division fact “24 ÷ 4 = 6” is related to the multiplication fact “6 x 4 = 24.”
david has been running away from german shepherds ever since he was bitten by a german shepherd two years ago.