This question consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. How many daughters does Q have? I. R's father S is husband of Q. II. Out of the three children S has, only one is a boy. III. M and N are sisters of R.

If only I and III are sufficient to answer the question. If all I, II and III are required to answer the question. If only II and III are sufficient to answer the question. If only I and II are sufficient to answer the question.

If only I and II are sufficient to answer the question.