### Instruction:

Extract the cause and effect entities from the following sentence:
The proposed introduction of an L-band system will increase the overall capacity of the system and open up opportunities for addition of data services not provided under the Data Comm

### Assistant:

VARIABLE: addition of data services
CONDITION: provided under the Data Comm
AND: and
EFFECT_2: open up opportunities
EFFECT_1: will increase the overall capacity of the system
CAUSE_1: The proposed introduction of an L-band system
KEYWORD: for
NEGATION: not
CAUSE_2: addition of data services not provided under the Data Comm

