Complex sentence: RPAL is an acronym meaning "Right Reference-Pedagogic Algorithmic Language" and is a subset of PAL, a language invented by Evans and John Wozencraft in early 1970s at Massachusetts Institute of Technology for teaching programming language construction.
Split into simpler sentences: RPAL is an acronym meaning "Right Reference-Pedagogic Algorithmic Language". It is a subset of PAL, a language invented by Evans and Wozencraft in early 70's at MIT for teaching programming language construction.