### Instruction:

Extract the cause and effect entities from the following sentence:
The TMT Observatory shall develop and maintain an electronic user helpdesk with the primary goal of helping users prepare and execute observations

### Assistant:

VARIABLE: users
CONDITION: execute observations
AND: and
KEYWORD: with the primary goal of
EFFECT_1: helping users prepare
EFFECT_2: execute observations
CAUSE_1: The TMT Observatory shall develop
CAUSE_2: maintain an electronic user helpdesk

