In a given question below is a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.
Give answer
(a) if only conclusion I follows, (b) if only conclusion II follows,
(c) if either I or II follows,
(d) if neither I nor II follows: and
(e) if both I and II follow
Statement: Only good singers are invited in the conference. No one without sweet voice is a good singer.
ConclusionI. All invited singers in the conference have sweet voice.
II. Those singers who do not have sweet voice are not invited in the conference.

Explanation

(e) : if both I and II follows,