### Instruction:

Extract the cause and effect entities from the following sentence:
A FoR of 50% of the sky can be achieved, for example, if the LAD solar aspect angle can be varied between 90±30

### Assistant:

KEYWORD: if
VARIABLE: A FoR
CONDITION: of 50% of the sky can be achieved
NOT_RELEVANT: for example
CAUSE_1: the LAD solar aspect angle can be varied between 90±30
EFFECT_1: A FoR of 50% of the sky can be achieved

