Lisp and bell: what they have in common
- Step 1. Lisp — is a kind of — Programming language. A language.
- Step 2. Programming language — includes — BASIC. A language.
- Step 3. BASIC — is used in — Personal computer. The first PCs came with BASIC.
- Step 4. Personal computer — has part — Keyboard. A keyboard.
- Step 5. Keyboard — is part of — Carillon. A keyboard.
- Step 6. Carillon — has part — Bell. Bells.