instruction:
In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
question:
An indentured servant or indentured laborer is an employee ( indenturee ) within a system of unfree labor who is bound by a signed or forced contract ( indenture ) to work for a particular employer for a fixed time .
answer:
An indentured servant was a worker in a contract with an employer for a certain length of time .

question:
A Horn clause with exactly one positive literal is a definite clause or a strict Horn clause ; a definite clause with no negative literals is sometimes called a unit clause , and a unit clause without variables is sometimes called a fact ; and a Horn clause without a positive literal is sometimes called a goal clause ( note that the empty clause consisting of no literals is a goal clause ) .
answer:
A Horn clause with exactly one positive literal is a definite clause ; a definite clause with no negative literals is sometimes called a " fact " ; and a Horn clause without a positive literal is sometimes called a goal clause .

question:
Although he was the second Supreme Director of Chile ( 1817 1823 ) , he is considered one of Chile 's founding fathers , as he was the first holder of this title to head a fully independent Chilean state .
answer:
Although he was the second ( 1817 1823 ) , he is considered one of Chile 's founding fathers .