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Earlier discussion
2 older comments kept for context.
Tochukwu Alukwu
How about 'finger'?
Oluwaseun Adeyemi
Tochukwu, you're right about finger. The problem is with the question. The first option is probably supposed to be something like fingers which cannot be formed from FINGERPRINTING. Don't hesitate to point out errors in any other questions like this when you come across them.