### Instruction:

Extract the cause and effect entities from the following sentence:
For the LI: A single spectral channel is defined, thus each spatial sample has an associated radiance sample

### Assistant:

VARIABLE: each spatial sample
NOT_RELEVANT: For the LI:
CONDITION: has an associated radiance sample
KEYWORD: thus
CAUSE_1: A single spectral channel is defined
EFFECT_1: each spatial sample has an associated radiance sample

