In each of the following questions, relationship between different elements is shown in the statements. The statements are followed by two Conclusions numbered I and II. Study the Conclusions based on the given statements and mark the appropriate answer :
a: if both the Conclusion I and Conclusion II are true
b: if either Conclusion I or Conclusion II is true
c: if neither Conclusion I nor Conclusion II is true
d: if only Conclusion I is true
e: if only Conclusion II is true