Consider the following code which uses Python to call the Unix 'fork' system call. Line numbers are given just for your reference. 123456x=1pid=os.fork()time.sleep(1)ifpid==0:x=0print"Thevalueofxis"+str(x) Select all of the following statements that are true (incorrect selections gain negative marks). Select one or more: 1. At line 3 the sleep function is called. This line is executed by both the parent and child processes. 2. Assuming that the scheduler runs the parent process to completion first, the output of the program will be: The value of x is 0 3. Assuming that the scheduler runs the parent process to completion first, the output of the program will be: The value of x is -1 The value of x is 0 4. The fork call executes a new program. 5. Line 5 is executed by the parent process and its child processes