### Instruction:

Extract the cause and effect entities from the following sentence:
Where no in-situ emissivity data are available, the use of in-situ emissivities derived from MOD21 LSE is recommended

### Assistant:

KEYWORD: Where
NEGATION: no
VARIABLE: the use of in-situ emissivities
CONDITION: derived from MOD21 LSE
CAUSE_1: no in-situ emissivity data are available
EFFECT_1: the use of in-situ emissivities
CAUSE_2: derived from MOD21 LSE

