In yesterday' s council election a majority of voters supported conservative candidates, and a majority of voters supported candidates who voted in favor of the antipollution act
The majority of customers who regularly eat at this restaurant always order both fish and stuffed mushrooms. Thus, fish and stuffed mushrooms must be the restaurant's most frequently ordered dishes.
 Ttherefore, it must be that a majority of voters in yesterday' s council election supported conservative candidates who voted in favor of the antipollution act