4661
Projections of how patterns of drought , deluges , heat and cold might change are among the most difficult , and will remain laden with huge uncertainties for a long time to come , said M. Granger Morgan , a physicist and policy expert at Carnegie Mellon University in Pittsburgh .
 location contains: Pittsburgh, Carnegie Mellon University
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: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 location contains: Pittsburgh, Carnegie Mellon University