The definition of holding from the manual-
Holding - A Robot status. A Robot is considered to be Holding if it meets any of the following criteria during a Match:
Trapping - Limiting the movement of an opponent Robot to a small or confined area of the field, approximately the size of one foam field tile or less, without an avenue for escape. Note that if a Robot is not attempting to escape, it is not considered Trapped. Pinning - Preventing the movement of an opponent Robot through contact with the Field Perimeter, a Field or Game Element, or another Robot. Lifting - Controlling an opponent’s movements by raising or tilting the opponent’s Robot off of the foam tiles.
Is it considered holding if a robot's only avenue for escape is over the long barrier and that robot is not capable of going over the long barrier? Is it considered holding if a robot's only avenue for escape is under the horizontal elevation bar and that robot is not able to pass under the elevation bar because it is to tall?