How is D related to M ?
I. K and D are only sisters to R.
II. M is married to R’s father.

 the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question

 the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

 the data either in statement I alone or in statement II alone are sufficient to answer the question

 the data given in both the statements I and II together are not sufficient to answer the question

 the data in both the statements I and II together are necessary to answer the question