### Instruction:

Extract the cause and effect entities from the following sentence:
The survey depth in terms of AB magnitude limit shall be R+I+ZAB =24.5 (10σ extended source), assuming a PSF FWHM of 0.23 arcsec in this band

### Assistant:

KEYWORD: assuming
VARIABLE: The survey depth in terms of AB magnitude limit
CONDITION: shall be R+I+ZAB =24.5
CAUSE_1: a PSF FWHM of 0.23 arcsec in this band
EFFECT_1: The survey depth in terms of AB magnitude limit shall be R+I+ZAB =24.5
NOT_RELEVANT: (10σ extended source)

