Which of the following conditions are considered conducive forformulating a research problem ? (i) Discussion with the people on the topic (ii) Studying relevant literature (iii) Obtaining first hand observation (iv) Conducting an experience survey Select the correct answer by usingcodes given below :Codes :

• A. (i), (ii) and (iii)
• B. (ii), (iii) and (iv)
• C. (i), (iii) and (iv)
• D. (i), (ii), (iii) and (iv)