### Instruction:

Extract the cause and effect entities from the following sentence:
Based on the need to support the NAS critical services, A/G voice communications latency and availability performance requirements are fairly stringent

### Assistant:

KEYWORD: Based on the need
CONDITION: are fairly stringent
VARIABLE: availability performance requirements
AND: and
EFFECT_1: to support the NAS critical services
CAUSE_1: A/G voice communications latency
CAUSE_2: availability performance requirements are fairly stringent

