### Instruction:

Extract the cause and effect entities from the following sentence:
When a material is sufficiently similar (chemically and physically) to a material found to be acceptable by testing in accordance with NASA-STD-6001, this material may be used without additional testing if its use is approved by the M&P organization

### Assistant:

KEYWORD: if
VARIABLE: its use
CONDITION: is approved by the M&P organization
NOT_RELEVANT: (chemically and physically)
CAUSE_1: to a material found to be acceptable by testing in accordance with NASA-STD-6001
CAUSE_2: its use is approved by the M&P organization
EFFECT_1: this material may be used without additional testing


### END
