28081
 In pursuit of that prize , Dr. Close and Dr. Rainer Lenzen of the Max-Planck Institute for Astronomy in Heidelberg , Germany , have built a special high-contrast camera to distinguish the light of planets from the glare of their stars , which are 10 million to 10 billion times as bright . 
 location contains: Germany, Heidelberg
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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 location contains: Germany, Heidelberg