Select the figure from among the given options that can replace the question mark (?) and complete the pattern (rotation is NOT allowed). 
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the 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.
Both conclusions I and II follow
All the conclusions follow
Either conclusion I or III follows
Both conclusions II and III follow