Nancy Murphy, one of the leading contemporary proponents of non-reductive physicalism, notes that her and other NRPs deny the existence of non-material entities, but do not deny the existence of:

The answer is "the soul": Nancy Murphy notes that her and other NRPs deny the existence of non-material entities, but do not deny the existence of the soul.

Explanation:

Although Nancy Murphy and other non-reductive physicalists (NRPs) believe that non-physical or non-material entities do not exist, they are of the view that human beings possess a soul: human beings not only have a physical body, but possess a soul which does not exist separately from the body; hence she and other NRPs do not believe that any human entity can be separated from its soul and be reduced to only a physical body or component.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.