Premise: A little of that yellow corn would make a good breakfast .<br>When he reached the cornfield , Blacky perched on top of a shock of corn , for it already had been cut and put in shocks in readiness to be carted up to Farmer Brown 's barn .<br>For a few minutes he sat there silent and motionless , but all the time his sharp eyes were making sure that no enemy was hiding behind one of those brown shocks .
Hypothesis: his sharp eyes were making sure there was an enemy hiding