Assertion (A) : The problem of interference is solved by translating the message singles to different radio frequencies.Reason (R): The signals from various sources transmitted through open space cause interference and no useful message is passed to the receive.

• A. Both (A) and (R) are true and (R) is the correct explanation of (A).
• B. Both (A) and (R) are true, but (R) is not the correct explanation of (A)
• C. (A) is true, but (R) is false
• D. (A) false, but (R) is true.