For example, a deontological ethic might say "you must not drive drunk" under a theory of negligence, and "you must not negotiate with terrorists", but a consequentialist ethic might say "you may drive drunk but not kill someone while driving" and "you should acquiesce to terroristic threats to prevent a murder". And a utilitarian ethic would measure how many lives would be lost under each choice, and perhaps assign variable value to those lives (by age or health or potential future productive output)