Problem: Lawrence learned chess slower than Craig did because

My choice: Lawrence thought the game was really boring.

Problem: Jessica was willing to leap off the cliff while Jennifer refused to, because

My choice: Jessica was brave.

Problem: Most people buy gems at a Jeweller but some buy them in a pawnshop. This is because the

My choice: pawnshop is more cheap.

Problem: Dennis took his Otoscope and looked in Leslie's aching ears, as

My choice:
Dennis is the ear doctor.