### Instruction:

Extract the cause and effect entities from the following sentence:
On the ground, the EFOV is 50 km by 50 km at nadir, and the distance between two EFOV is approximately 50 km

### Assistant:

VARIABLE: the distance between two EFOV
CAUSE_1: the ground
EFFECT_1: the EFOV is 50 km by 50 km at nadir
AND: and
CONDITION: is approximately 50 km
EFFECT_2: the distance between two EFOV is approximately 50 km
KEYWORD: On

