### Instruction:

Extract the cause and effect entities from the following sentence:
However, product intercomparisons on their own are not sufficient for comprehensive validation since the various products could be ‘consistent’ but nonetheless biased with respect to reference data, i.e. in-situ LST

### Assistant:

NOT_RELEVANT: i.e. in-situ LST
VARIABLE: the various products
NEGATION: are not
CONDITION: nonetheless biased with respect to reference data
KEYWORD: since
AND: but
EFFECT_1: product intercomparisons on their own are not sufficient for comprehensive validation
CAUSE_1: the various products could be ‘consistent’
CAUSE_2: nonetheless biased with respect to reference data

