All Labrador retrievers bark a great deal  All Saint Bernards bark infrequently  Each of Rani' s dogs is a cross between a Labrador retriever and a Saint Bernard
Ttherefore, Rani' s dogs are moderate barkers
All students who study diligently make good grades. But some students who do not study diligently also make good grades. Jyoti studies somewhat diligently. Ttherefore, Jyoti makes somewhat good grades.