{
    "tf2_45_T2_ss1_md.jpeg": "3 times 3 sub-blocks with 3 objects: a purple line at the left-middle, a blue arrow at the left-bottom, and a blue circle at the left-bottom.",
    "tf2_45_T1_ss1_md.jpeg": "3 times 3 sub-blocks with 3 objects: a purple line at the left-middle, a blue arrow at the left-bottom, and a blue circle at the right-bottom.",
    "tf2_45_T4_ss1_md.jpeg": "3 times 3 sub-blocks with 3 objects: a purple line at the left-middle, a blue arrow at the left-bottom, and a red circle at the right-bottom.",
    "tf2_45_T3_ss1_md.jpeg": "3 times 3 sub-blocks with 3 objects: a blue curve at the left-middle, a blue arrow at the left-bottom, and a blue circle at the right-bottom."
}