### Instruction:

Extract the cause and effect entities from the following sentence:
Assumption: EUMETCast terrestrial is not planned to be used before MTG-S1 commissioning in 2023

### Assistant:

NOT_RELEVANT: Assumption:
VARIABLE: MTG-S1 commissioning in 2023
NEGATION: is not
CONDITION: planned to be used
KEYWORD: before
EFFECT_1: EUMETCast terrestrial is not planned to be used
CAUSE_1: MTG-S1 commissioning in 2023


### END
