### Instruction:

Extract the cause and effect entities from the following sentence:
Where the system is designed to protect for more than one inadvertent action, the level of protection after a single system failure may be reduced - but still protects from a single inadvertent operator action

### Assistant:

EFFECT_1: may be reduced
KEYWORD: after
CAUSE_1: a single system failure
AND: but
EFFECT_2: still protects from a single inadvertent operator action
NOT_RELEVANT: Where the system is designed to protect for more than one inadvertent action
VARIABLE: a single system failure
CONDITION: still protects from a single inadvertent operator action

