### Instruction:

Extract the cause and effect entities from the following sentence:
The traditional DES (Data Encryption Standard) uses many computational resources and therefore it isn’t recommended [79] for use in WSN

### Assistant:

KEYWORD: therefore
VARIABLE: it
NOT_RELEVANT: [79]
CONDITION: for use in WSN
NEGATION: isn’t
CAUSE_1: The traditional DES (Data Encryption Standard) uses many computational resources
EFFECT_1: for use in WSN
AND: and

