### Instruction:

Extract the cause and effect entities from the following sentence:
As the aircraft approaches the Top of Descent position, the appropriate controller provides scheduled time of arrival information to the flight crew via data communications

### Assistant:

KEYWORD: As
CAUSE_1: the aircraft approaches the Top of Descent position
VARIABLE: the appropriate controller
CONDITION: provides scheduled time of arrival information to the flight crew via data communications
EFFECT_1: the appropriate controller provides scheduled time of arrival information to the flight crew via data communications

