### Instruction:

Extract the cause and effect entities from the following sentence:
If GS will be operated in locations where fire or explosion hazards exist, as defined by NFPA 70, Article 500, it shall be hazardproofed in accordance with the requirements in KSC-STD-E-0002

### Assistant:

KEYWORD: If
VARIABLE: it
CONDITION: shall be hazardproofed in accordance with the requirements in KSC-STD-E-0002
OR: or
NOT_RELEVANT: as defined by NFPA 70, Article 500
EFFECT_1: it shall be hazardproofed in accordance with the requirements in KSC-STD-E-0002
CAUSE_1: GS will be operated in locations where fire
CAUSE_2: explosion hazards exist

