I don’t get it?
maybe send a picture
<span>By far, the most obvious advantage of using a wireless microphone is the fact that the user can move unimpeded when performing. The greatest advantage to using a wireless, clip-on microphone is also that, the speaker or the singer can wander freely around the stage without losing the quality of the sound. Hope this answer helps.</span>
The sentence that is punctuated correctly is,
D. John and Mary's house has a large front yard.
Hope this helps. :)