Oh hurrah...

...for the pisstaking opportunity that is Simple English Wikipedia

• pie: "A pie is a type of food. Pies are usually baked, and often made in the shape of a circle or an oval. On the outside of a pie there is a sweet or savory crust, and on the inside there is a filling. Pies can be filled with sweet fruit filling, meat, or vegetables. Pie is great for desserts because of its delicious sweetness. Pie is also very delicious with its wide variety of available fillings." http://simple.wikipedia.org/wiki/Pie
• oval (entire article!) "An oval is a shape. An oval is a figure that looks like an egg.
  An oval can look like an egg or an ellipse. It is not well defined and can describe many different shapes." http://simple.wikipedia.org/wiki/Oval
• yoghurt "Yoghurt has a lot of protein, calcium, riboflavin, vitamin B6 and vitamin B12 in it. It is better for you than milk is." http://simple.wikipedia.org/wiki/Yoghurt
• owls "Owls are good at looking at things far from its eyes, but it cannot see anything clearly within a few centimeters of their eyes. Owls use small feathers on the beak and the feet that help it feel the prey it catches." http://simple.wikipedia.org/wiki/Owl