In given questions, two statements followed by two conclusions numbered I and II have been given. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and decide which of the given conclusions logically follow from the given statements disregarding commonly known facts:
Statements: Some speakers are guests. No guest is a dignitary.
Conclusions: I. No dignitary is a speaker.
II. Some guests are definitely not speakers.
(a) Only Conclusion II is true
(b) Both Conclusion I and II are true
(c) Either Conclusion I or II is true
(d) Neither Conclusion I nor II is true
(e) Only Conclusion I is true

Explanation

(a) Only Conclusion II is true