### Instruction:

Extract the cause and effect entities from the following sentence:
The polarisation introduced by the calibration, shall be less than 0.5% of the total intensity

### Assistant:

VARIABLE: The polarisation
CONDITION: shall be less than 0.5% of the total intensity
CAUSE_1: The polarisation introduced by the calibration
EFFECT_1: shall be less than 0.5% of the total intensity

