### Instruction:

Extract the cause and effect entities from the following sentence:
However [85] explains that uTelsa is not suitable for the authentication traffic between nodes because it provides authentication delayed in time

### Assistant:

KEYWORD: because
VARIABLE: uTelsa
CONDITION: suitable for the authentication traffic between nodes
CAUSE_1: it provides authentication delayed in time
NEGATION: is not
NOT_RELEVANT: However [85] explains that
EFFECT_1: uTelsa is not suitable for the authentication traffic between nodes


### END
