### Instruction:

Extract the cause and effect entities from the following sentence:
In-situ emissivities need to be determined with appropriate spatial and temporal sampling to be representative of LSE

### Assistant:

VARIABLE: In-situ emissivities
CONDITION: temporal sampling
AND: and
CAUSE_2: temporal sampling
CAUSE_1: In-situ emissivities need to be determined with appropriate spatial
EFFECT_1: to be representative of LSE

