You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: DIGESTION 
Clue: This substance in your food slows down the digestive process & is what bile works on
fat

Category: PERSONAL PRODUCTS 
Clue: This company introduced its baby powder in 1893, its baby oil in 1935 & its baby shampoo in 1954
johnson & johnson

Category: WELCOME TO MONTREAL 
Clue: "Carte" is French for map, & this is the French explorer who in 1535 put Mount Royal on the map

cartier