20774
 In New Jersey , the challenge of responding to the virtual attack was magnified by the fact that the state also had to contend with a real emergency , flooding along the Delaware River , which forced thousands of families to evacuate their homes . 
 location contains: New Jersey, Delaware River
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: New Jersey, Delaware River