Seven people, Kamal, Nalini, Namrata, Sheela, Shakti, Arun and Sukanya, study three different subjects - Mathematics, Science and Physics in three different schools - P, Q and R. Less than two and no more than three people study the same subject. Less than two and not more than three people study in the same school.Namrata studies Mathematics in school P which has only one more student named Shakti. Kamal does not study in school R but he is a student of mathematics. Shakti and Sukanya study the same subject. Sheila studies physics in school R. Nalini is also a student of school R. Arun and Sukanya do not study in school R. Nalini and Shakti study science. Arun is a student of which subject?

• A. Science
• B. Physics
• C. Mathematics
• D. Can't be said