### Instruction:

Extract the cause and effect entities from the following sentence:
Caution should be exercised in using martensitic and ferritic stainless steels because these are susceptible to hydrogen embrittlement, corrosion, and stress corrosion

### Assistant:

KEYWORD: because
VARIABLE: Caution
CONDITION: ferritic stainless steels
AND: and
CAUSE_1: these are susceptible to hydrogen embrittlement
CAUSE_2: corrosion
CAUSE_3: stress corrosion
EFFECT_1: Caution should be exercised in using martensitic
EFFECT_2: ferritic stainless steels

