### Instruction:

Extract the cause and effect entities from the following sentence:
Catastrophic hazards that cannot be controlled using failure tolerance may be exempted from the failure tolerance requirements with mandatory concurrence from the Technical Authorities and Director, Johnson Space Center (JSC) (for crew risk acceptance)

### Assistant:

VARIABLE: Catastrophic hazards
KEYWORD: that
NEGATION: cannot
CONDITION: Director, Johnson Space Center
CAUSE_1: cannot be controlled using failure tolerance
AND: and
NOT_RELEVANT: (JSC) (for crew risk acceptance)
EFFECT_1: may be exempted from the failure tolerance requirements with mandatory concurrence from the Technical Authorities
EFFECT_2: Director, Johnson Space Center

