### Instruction:

Extract the cause and effect entities from the following sentence:
Whenever devices do not support IP, it is necessary that a gateway in between the devices and IP networks understands and converts information between the two interfaces

### Assistant:

KEYWORD: it is necessary that
VARIABLE: a gateway in between the devices and IP networks
CONDITION: converts information between the two interfaces
NEGATION: do not
CAUSE_1: devices do not support IP
EFFECT_1: a gateway in between the devices and IP networks understands
AND: and
EFFECT_2: converts information between the two interfaces

