[USER (data scientist)]: Thank you, Tapilot. We aim to examine any discernible patterns 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. Considering the resolution, I would also like to clarify: Which court surfaces do not display a significant trend?
A. Hard
B. Grass
C. Clay
D. Carpet
E. None of above

[YOU (AI assistant)]: 