Sentence:  A food product containing neither meat nor milk, or derived from either is "neutral". The Yiddish word <WSD>"parev</WSD>" ("parve") or the Hebrew word "stam" is used to describe this third category. The neutral (<WSD>"parev</WSD>") category includes (1) everything which grows from the soil: vegetables, fruits, nuts, coffee, spices, sugar, salt, (2) all kosher fish, (3) eggs, and (4) items manufactured from chemicals. <WSD>Parev</WSD> foods may be eaten or cooked with either dairy or meat products. 
Meaning of the word marked with <WSD> tags:  Of food: that has no meat or milk in any form as an ingredient.