1455
With a bye week to rest and practice , Pittsburgh will play host to the lowest-seeded team among the Jets , the Denver Broncos or the San Diego Chargers on Jan. 15 at Heinz Field .
 location contains: Pittsburgh, Heinz Field
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Pittsburgh, Heinz Field 
Answer:
 location contains: Pittsburgh, Heinz Field