A consumer advocate is trying to get legislation passed that will protect the environment of a large city. To increase the probability of success, the advocate re-searches the history of all legislation introduced in the city council in the last 5 years. She records whether the bill was favorable or not favorable to industry, whether the bill was introduced by a member of the city council or by the mayor, and whether it passed or was defeated. These variables are cross-tabulated in the accompanying tables. From these cross-tabulations, whom should the advocate try to persuade to introduce her legislation in the city council? Explain your answer.

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Favorable to Bill Defeated Passed Industry No 132 138 Yes 43 87 Bill Introduced by Member of City Council Bill Introduced by Mayor Favorable to Favorable to Bill Defeated Passed Industry No 64 67 Bill Defeated Passed Indust No 68 71 Yes Yes 21 43