### Instruction:

Extract the cause and effect entities from the following sentence:
Supplementary text added to explain the source or reasoning behind a requirement is written after the requirement in italics

### Assistant:

VARIABLE: Supplementary text
CONDITION: is written after the requirement in italics.
OR: or
CAUSE_1: Supplementary text added to explain the source
CAUSE_2: reasoning behind a requirement
EFFECT_1: is written after the requirement in italics

