"text": Players tend to have higher win/loss ratios on which surfaces compared to other surfaces? The correlation coefficients were what, indicating what relationship between surface types and player performance?

"options": 
A. clay, relatively weak, no strong
B. hard, relatively weak, no strong
C. grass, relatively strong, strong
D. hard, relatively strong, strong
E. clay, relatively strong, strong

"correct_answer": "B"