Sigma KB Term Intersection

No TPTP formula. May not be expressible in strict first order.	Economy.kif 4166-4172	If a kind of object is equal to Object made from another kind of object and a kind of object is a subclass of malt and another kind of object is a subclass of cereal grain, then every the other kind of object is initially part of a cereal grass plant
No TPTP formula. May not be expressible in strict first order.	Economy.kif 4160-4160	Malt is a subclass of plant product
No TPTP formula. May not be expressible in strict first order.	Economy.kif 4161-4161	Malt is a subclass of grain