Concept:Use Venn diagrams and check whether conclusions are definitely true or possible.Formula:No fixed formula; use the rule: Some + All gives Some, and a possibility is true if no negative fact contradicts it.Solution:Given: Some T are M.All S are P.Some M are S.From Some M are S and All S are P, we get Some M are P.Therefore, Some P are M.So conclusion I follows.For II, Some T are M and Some M are S.There is no negative statement to contradict this.So Some T being P is possible.Thus conclusion II also follows.