Sentence 1: It was getting cold outside and starting to snow. 
 Sentence 3: He had saved up for months for this event 
 Sentence 4:  He went to his mechanic and was able to get them installed 
 Sentence 5:  Brad was happy as he felt reassured about driving in the upcoming days 
 Option 1: Brad needed to get new tires on his car to be safe in winter. 
 Option 2: Brad bought two new tires for his car for the winter.