Sentence 1: The winter of 1993 was bad in Boston. 
 Sentence 3: My station stop had a store 
 Sentence 4:  I ate a lot of muffins while riding to work that winter 
 Sentence 5:  As a result I gained twenty pounds 
 Option 1: I could not ride the trolley to work. 
 Option 2: I could not bicycle to work, and rode the trolley.