### Instruction:

Extract the cause and effect entities from the following sentence:
Individuals who require a precise mathematical definition of thermal remote sensing properties, such as directional and hemispherical radiometric temperatures, or directional and hemispherical emissivities, are referred to [RD-2]

### Assistant:

VARIABLE: Individuals
KEYWORD: who
CONDITION: are referred to [RD-2]
NOT_RELEVANT: such as directional and hemispherical radiometric temperatures
OR: or
AND: and
EFFECT_1: are referred to [RD-2]
CAUSE_1: require a precise mathematical definition of thermal remote sensing properties
CAUSE_2: directional
CAUSE_3: hemispherical emissivities

