def modify_state_for_body(s, body):
            s.layers['segmentation'].segments = frozenset([body.segment_id])
            s.voxel_coordinates = body.bbox_start + body.bbox_size // 2
def test_both():
    """Both f and g."""
    p = are.above(2) & are.below(4)
    ps = [p(x) for x in range(1, 6)]
    assert ps == [False, False, True, False, False]