Task: Pos Tagging
Input (English): Sentence: We had a pretty good idea when we signed the contract that ECS would not be able to complete that by the contract start date , so we negotiated a fall back plan {{ under }} which ECS is obligated to " assist [ Transwestern ] in developing a manual system to accomplish the same result and will hold harmless and keep [ Transwestern ] whole for all cost and expenses " associated with the manual system . 
Word: under
Output (English): ADP