How do I fix this? Output is nearly correct; but whitespace differs. See highlights below. Special character legend Input LOL Your output Input an abbreviation: laughing out loud Expected output Input an abbreviation: laughing out loud 2: Compare output 0 / 1 Output is nearly correct; but whitespace differs. See highlights below. Special character legend Input IDK Your output Input an abbreviation: I don't know Expected output Input an abbreviation: I don't know 3: Compare output 0 / 1 Output differs. See highlights below. Special character legend Input XYZ Your output Input an abbreviation: Expected output Input an abbreviation: Unknown 4: Compare output 0 / 1 Output differs. See highlights below. Special character legend Input BFF Your output Input an abbreviation: Expected output Input an abbreviation: best friends forever 5: Compare output 0 / 1 Output differs. See highlights below. Special character legend Input IMH Your output Input an abbreviation: I don't know Expected output Input an abbreviation: Unknown 6: Compare output 0 / 1 Output differs. See highlights below. Special character legend Input IMHO Your output Input an abbreviation: I don't know Expected output Input an abbreviation: in my humble opinion 7: Compare output 0 / 1 Output differs. See highlights below. Special character legend Input tmi Your output Input an abbreviation: Expected output Input an abbreviation: Unknown