### Instruction:

Extract the cause and effect entities from the following sentence:
If Next Lower Level Trade Item Information is specified the actual quantity of each child item may be different from pack to pack

### Assistant:

KEYWORD: If
VARIABLE: the actual quantity of each child item
CONDITION: may be different from pack to pack
CAUSE_1: Next Lower Level Trade Item Information is specified
EFFECT_1: the actual quantity of each child item may be different from pack to pack

