33581
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 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:  Texas, Dallas 
Answer:
 location contains: Texas, Dallas