A) It's possible that the person has a virus of some kind.<br/><br/>B) There's a possibility that the person has a virus of some kind.<br/><br/>My questions; <br/><br/>1) Do these two sentences A and B mean the same? <br/><br/>2) If so, do you think these two phrases, (It's possible that) and (There's a possibility that ), are always interchangeable?<br/><br/> FYI, I'll post some other phrases;<br/><br/> It's possible /There's a possibility that I will be chosen for the job. <br/><br/>It's possible /There's a possibility that I might be wrong. <br/><br/>It's possible /There's a possibility that she didn't know.<br/><br/>Thanks,