def overlap(bbox1, bbox2):
    """
    Given two bboxes, return whether the two bboxes overlap
    """
    x1, y1, w1, h1 = bbox1
    x2, y2, w2, h2 = bbox2
    return (x1 < x2 + w2) and (y1 < y2 + h2) and (x2 < x1 + w1) and (y2 < y1 + h1)