7801
 David Deary , a lawyer in Dallas who has filed lawsuits against Deutsche Bank in Federal District Court in Manhattan and in a Texas state court , among others , on behalf of wealthy investors who bought digital options shelters , said that '' Deutsche Bank was the driving force behind every tax strategy that involved digital options , and without Deutsche Bank , none of these tax shelters could have been sold and implemented . '' 
 location contains: Texas, Dallas
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: Texas, Dallas