[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. Subsequent to this, could you also provide an answer to my query: What might have been the performance of the players on different surfaces in 2012? 
A. accustomed, Hard
B. unaccustomed, Clay
C. accustomed, Grass
D. unaccustomed, Hard
E. None of above

[YOU (AI assistant)]: 