One of the four shapes below has one less match than the rest of them.

While studying these four small shapes, your friend approaches you with a riddle.

"I'm thinking of something that is necessary for human life. It appears in just about every house you've ever visited and decreases in amount gradually the longer it is around. What am I thinking of?"

Move one match in the picture to form your answer to your friend's puzzle.

The item you are after is necessary for human life, is found in most homes, and disappears gradually over time.

You have to answer with the matches provided, buy don't worry about arranging them into a picture. It's the idea you're after.

The last of the four shapes seems to be missing a match.

Someone must have made off with it to light the stove and get dinner ready.

Say, are you getting hungry at all?

Have you ever heard the expression "three square meals a day"?

Judging by the matches here, someone was trying to make a fourth buy got full before finishing the task.

By the way, have you noticed how much that final cluster of matches looks like an uppercase D?

That's right!

The answer is FOOD.

Make sure you visit the grocery store before you run out of snacks!