In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Example: The Inheritance Cycle is a series of fantasy books written by Christopher Paolini.
Example solution: The Inheritance Cycle is a tetralogy of young adult high fantasy novels written by American author Christopher Paolini.
Example explanation: The output sentence elaborates on the input sentence without changing its general meaning e.g. "tetralogy of young adult high fantasy novels".

Problem: He was perhaps best known for his book " Literacy in Theory and Practice " ( 1984 ) .

Solution: During his career , he mainly worked on literacy in both theoretical and applied perspectives , and is perhaps best known for his book " Literacy in Theory and Practice " ( 1984 ) .