### Instruction:

Extract the cause and effect entities from the following sentence:
When implemented, the system will provide a long-term capacity solution and will allow the introduction of new communications services

### Assistant:

KEYWORD: When
CONDITION: will allow the introduction of new communications services
VARIABLE: the system
AND: and
CAUSE_1: implemented
EFFECT_1: the system will provide a long-term capacity solution
EFFECT_2: will allow the introduction of new communications services

