### Instruction:

Extract the cause and effect entities from the following sentence:
Provide Warning Devices: When neither design nor safety items can effectively eliminate or reduce hazards, devices will be used to detect the condition, and to produce an adequate warning to alert personnel of a hazard

### Assistant:

NOT_RELEVANT: Provide Warning Devices:
KEYWORD: When
NEGATION: nor
VARIABLE: devices
CONDITION: to produce an adequate warning to alert personnel of a hazard
OR: or
CAUSE_1: design
CAUSE_2: safety items can effectively eliminate
CAUSE_3: reduce hazards
AND: and
EFFECT_1: devices will be used to detect the condition
EFFECT_2: to produce an adequate warning to alert personnel of a hazard

