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You are solving a spreadsheet benchmark task in a real workbook. Objective: Produce the correct final workbook state for the expected answer region. What matters: - Only the values in the expected answer region will be graded. - The workbook is the answer. Instructions: 1. Read the workbook and inspect the relevant data region first. 2. Infer the required result for the provided workbook instance. 3. Write the final value(s) directly into the expected answer region. 4. Do not rely on prose, formulas in your chat response, pseudocode, or VBA as the answer unless the benchmark explicitly requires those to be written into cells. 5. If the natural-language task asks for a general method, formula, or macro, convert that into the concrete result needed for this workbook instance. 6. Keep your final text response short and only summarize the workbook cells you changed. Relevant data region(s): Expected answer region(s): 'Sheet1'!K2:K6 Expected answer sheet(s): Task: I need to know how I can populate column K with the earliest activity number for each individual based on the dates listed in column J of my Excel sheet. Is there a way to use the date in column J as a reference to search through the adjacent cells in columns B, D, F, and H to find and return this earliest date? For example, if a match is found in Col B, populate col K with that header (Activity 1 is the header for Col B)