6881
In 2002 Gentiva sold its specialty pharmaceutical services division which administered infusion and injectable pharmaceuticals to patients with both acute and chronic disease to Accredo Health Inc. for $ 415 million in cash and stock.Gentiva Makes $ 415M Deal - Newsday - HighBeam Research Accredo in turn was acquired by Medco (  NYSE  : MHS ) a former division of  Merck Co.  for $ 2.2 billion in February 2005 .
 members: NYSE, Merck Co.
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 members: NYSE, Merck Co.