### Instruction:

Extract the cause and effect entities from the following sentence:
Whatever actuation method is chosen, the maximum no-fire energy should be known to a reliability of 0.995 at a 95-percent confidence level so that a factor of safety can be determined from all inadvertent sources of that energy (checklist item 2D)

### Assistant:

CAUSE_1: the maximum no-fire energy should be known to a reliability of 0.995 at a 95-percent confidence level
KEYWORD: so that
EFFECT_1: a factor of safety can be determined from all inadvertent sources of that energy
NOT_RELEVANT: Whatever actuation method is chosen
VARIABLE: a factor of safety
CONDITION: can be determined from all inadvertent sources of that energy

