 (In the above, Alt(F) is the set of contextually relevant alternatives to the property in question, and Alt(K) is the set of contextually relevant alternative kinds to the kind in question.) As it stands, however, Cohen’s account incorrectly predicts that generics such as “bees are sterile” will be true, since the probability that a given bee is sterile is greater than .5. To deal with such cases, Cohen introduces the homogeneity constraint: