There are four fake brand extensions among the following list; the other six were marketed at one point. Can you identify the four fakes?

a. Ben-Gay Aspirin: Pain Relief That Comes with a Warm Glow

b. Burberry Baby Stroller: For Discriminating Newborns

c. Smith & Wesson Mountain Bikes: Ride without Fear

d. Atlantic City Playing Cards: Talcum-Coated for Easy Shuffling

e. Pond's Toothpaste: Reduces the Appearance of Fine Wines

f. Slim Jim Beef-Flavored Throat Lozenges: For Meat Lovers Who Like to Sing Karaoke

g. Frito-Lay Lemonade: A Tangy, Crunchy Thirst Quencher

h. Cosmo Yoghurt: Spoon It Up, Slim Down Those Thighs

i. Richard Simmons Sneakers: Shake Your Cute Little Booty to the Oldies

j. Madonna Condoms: For Men Who Are Packing.