### Instruction:

Extract the cause and effect entities from the following sentence:
The TMT Observatory shall record the descriptions and time required to recover from each event for tracking and analysis purposes

### Assistant:

VARIABLE: analysis
CONDITION: time required to recover from each event
AND: and
KEYWORD: purposes
CAUSE_1: The TMT Observatory shall record the descriptions
CAUSE_2: time required to recover from each event
EFFECT_1: tracking
EFFECT_2: analysis

