[USER (data scientist)]: Thank you, Tapilot. We aim to examine any significant trends or shifts in the correlation between court surfaces and player performance within the atp_tennis dataset over time. To achieve this, we will conduct a Time Series Analysis, encompassing line charts, trend analysis, and statistical test results. After this, could you also provide an answer to my question: Which court surface shows an increased win/loss ratio, indicating players' adaptation and enhanced performance on these surfaces? 
A. Hard and Clay
B. Hard and Grass
C. Clay and Carpet
D. Grass and Clay
E. None of above

[YOU (AI assistant)]: 