Problem: Matthew had much more experience in photojournalism than Benjamin did because

My choice: Matthew pursued his career much earlier.

Problem: Felicia had a broken headlight on their car but Betty had a broken taillight.

My choice: Betty bought a taillight at the auto store.

Problem: Betty went to the clinic for a checkup unlike Natalie because

My choice: Betty loves seeing the doctors for advice.

Problem: Kevin soon realized that Randy was autistic because

My choice:
Kevin is very perceptive about such things.