### Instruction:

Extract the cause and effect entities from the following sentence:
Simple wearable devices should be supported for elderly people when their ability to operate smart phones or other technical equipment are limited

### Assistant:

EFFECT_1: Simple wearable devices should be supported for elderly people
KEYWORD: when
CAUSE_1: their ability to operate smart phones
CAUSE_2: other technical equipment are limited
OR: or
CONDITION: should be supported for elderly people
VARIABLE: Simple wearable devices

