Suppose Run1 and Run2 Are Objects of the Class MyRunnable

Suppose run1 and run2 are objects of the class MyRunnable, which implements the Runnable interface.What is the result of the following calls?
run1.run() ;
run2.run() ;

A) run1 and run2 execute as independent threads.
B) Syntax error
C) Only run1 executes as an independent thread.
D) run1 and run2 run sequentially, not as independent threads.