### Instruction:

Extract the cause and effect entities from the following sentence:
Generally, to compute the position two angles plus a distance between two well known anchors are needed (2 Dimensions - for 3 Dimensions also the azimuth is used)

### Assistant:

NOT_RELEVANT: (2 Dimensions - for 3 Dimensions also the azimuth is used)
VARIABLE: a distance between two well known anchors
CONDITION: are needed
EFFECT_1: to compute the position
AND: plus
CAUSE_1: two angles
CAUSE_2: a distance between two well known anchors are needed

