This year, 51 vehicles participated in the ride. The total number of tires of all the vehicles was 134. Assuming that each car has 4 tires and each motorcycle has 2 tires, how many each of cars and motorcycles participated in the ride?
A. 13 cars; 38 motorcycles
B. 18 cars; 33 motorcycles
C. 20 cars; 31 motorcycles
D. 16 cars; 35 motorcycles
