What was the response? Dialog:
Speaker A) What was the main cargo of the Sandy River and Rangeley Lakes Railroad?;
Speaker B) World War I tanks to haul logs out of the woods.;
Speaker A) What were the different cars used?;
Speaker B) The Phillips shop built internal combustion railcars numbered 3 and 4 in the spring of 1925.;
Speaker A) Why did they use combustion rail cars?;
Speaker B) These passenger rail motors substituted for steam passenger trains during the summer months until October when snow and ice removal required daily operation of steam locomotives with pony plows.;
Speaker A) What is an interesting fact about this article?;
Speaker B) 
Railcar number 5 was built during the winter of 1926-27. Rails were removed from the 1.9-mile (3-km) Mount Abram Branch to Soule's Mill in November 1924 and from the northern 4.4 miles (7 kilometers) of the former K&DR from Carrabasset to Bigelow in the summer of 1926.