sample_id,tile_name,s1_path,aef_path,label_path
demo_region,tile_0001.tif,/absolute/path/to/data/s1/tile_0001.tif,/absolute/path/to/data/aef/tile_0001.tif,/absolute/path/to/data/labels/tile_0001.tif
demo_region,tile_0002.tif,/absolute/path/to/data/s1/tile_0002.tif,/absolute/path/to/data/aef/tile_0002.tif,/absolute/path/to/data/labels/tile_0002.tif