### Instruction:

Extract the cause and effect entities from the following sentence:
The TMT observatory shall provide an observing process that enables the observer to check their OBs and observing scripts off-line before observing

### Assistant:

VARIABLE: observing
CONDITION: observing scripts off-line
KEYWORD: before
AND: and
CAUSE_1: The TMT observatory shall provide an observing process
EFFECT_1: enables the observer to check their OBs
EFFECT_2: observing scripts off-line
CAUSE_2: observing

