In each of the following questions, relationship between dif erent 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 select the appropriate answer :
Give answer a: if only Conclusion I is true.
Give answer b: if only Conclusion II is true
Give answer c: if either Conclusion I or Conclusion II is true
Give answer d: if neither Conclusion I nor Conclusion II is true
Give answer e: if both the Conclusions I and II are true.