 
			 
			MCQOPTIONS
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				| 1. | Which of the following problems occur? | 
| A. | Does a given program ever produce an output? | 
| B. | If L is a CFL, then is L’ is also context-free? | 
| C. | L’ is regular only if L is regular? | 
| D. | If L is a recursive language, then, L’ is also recursive? | 
| Answer» E. | |