How to prevent baking a lumpy cake<br>Place oven rack so cake pan will be baking near the center of your oven so the hot air can circulate fully. Make sure rack is level. Preheat oven.
Baking cakes is easy. 
I'm not sure why it was difficult.  The paragraph doesn't state if baking cakes is easy, so it could be true or not. 
( z1 easy :ARG1 ( z2 bake :ARG1 ( z3 cake ) ) )