### Instruction:

Extract the cause and effect entities from the following sentence:
The scientific objectives are be achieved through the measurement of the X-ray photometric light curves and spectra of a range of different astrophysical target classes

### Assistant:

KEYWORD: through
CONDITION: are be achieved
VARIABLE: The scientific objectives
AND: and
CAUSE_1: the measurement of the X-ray photometric light curves
CAUSE_2: spectra of a range of different astrophysical target classes
EFFECT_1: The scientific objectives are be achieved

