### Instruction:

Extract the cause and effect entities from the following sentence:
The LAD Reference Boresight LoS Absolute Performance Error (APE) shall be better than 1 arcminute (TBC) at all times during observation to a confidence of 99.7%

### Assistant:

VARIABLE: The LAD Reference Boresight LoS Absolute Performance Error
KEYWORD: during
CAUSE_1: at all times
CAUSE_2: observation
NOT_RELEVANT: (TBC)
CONDITION: to a confidence of 99.7%
EFFECT_1: shall be better than 1 arcminute
EFFECT_2: to a confidence of 99.7%

