Problem: Learning french was harder for Natalie than Christine because

My choice: Christine had lived there during her student years.

Problem: Although Jessica was a better cook than Victoria,

My choice: Victoria could always make decent cocktail drinks to save their life.

Problem: Kyle told Randy that he could predict the future with his Psychic Abilities.

My choice: Randy was unconvinced.

Problem: The meal Jessica consumed made them much sicker than Carrie, because

My choice:
Carrie has a strong stomach.