Sentence:  Institutionally based, restrictive relationships, such as those/  among family members or professional colleagues, must thus/  be contrasted with <WSD>instrumentally</WSD> based, nonrestrictive rela-/  tionships serving the aims of practical pursuits, such as those/  between freely practicing experts and their clients or between/  sellers and buyers. In <WSD>instrumentally</WSD> structured situations it is/  not necessary for the participants to curb their needs, because/  the mere expression of needs in no way compels others to/  gratify them, as it tends to do in the family.<small>19</small> Indeed, not/  only is the frank expression of needs not inhibited, but it is/  often encouraged, since it helps to identify a problem or need/  for which someone might have a solution or satisfaction. 
Meaning of the word marked with <WSD> tags:  By means of an instrument or agency; as means to an end