Select the option that is related to the fourth number in the same way as the first number is related to the second number and the fifth number is related to the sixth number.
15 : 555 :: ? : 221 :: 17 : 719
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, decide which of the given conclusions logically follow(s).
Statements:
Some cars are trains.
Some trains are tractors.
Conclusions:
I. No tractor is a car.
II. No train is a car.
III. Some tractors are cars.