Either

Is it wrong to be preoccupied by a politician’s haircut (Trump? Boris Johnson?) or does it symbolise something about their values and beliefs?

Or

Why are yawning and sneezing such fun? (I have experienced both this morning and the pleasure is transcendental!)

Or

Is a headache the same as a brainache? Where exactly is the aching being experienced?

Or

Do animals experience pleasure eating, in the way humans do? Consider: the first bite into the first summer strawberry, sirloin steak with bearnaise sauce; a Gail’s Sausage roll; Ripe Stilton Cheese! How would you prove or disprove it?