Generate a context and a hypothesis.
Context: How to buy corn commodities<br>Understand what factors affect corn production. When trying to predict whether corn will go up or down in price, it is important to know about the agriculture business and what factors lead to a profitable or a lousy harvest. [substeps] Read up on the kinds of corn that are being sewn.

Hypothesis: If the corn harvest is good you can make money if you invest in corn