Task: Question Answering
Input (English): Question: A student scored an average of 60 marks in 3 subjects: Physics, Chemistry and Mathematics. If the average marks in Physics and Mathematics is 90 and that in Physics and Chemistry is 70, what are the marks in Physics?

 Option A: 86

 Option B: 160

 Option C: 76

 Option D: 140

 Option E: 26
Output (English): Option D