TASK DEFINITION: In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
PROBLEM: the producer is involved throughout all phases of the film-making process from development to completion of a project.

SOLUTION: the producer is a part of all phases of the film-making process from development to the end of a project.

PROBLEM: records indicate that they began in 776 bc in olympia , greece.

SOLUTION: records mention that they began in 776 bc in olympia , greece.

PROBLEM: following the death of schidlof from a heart attack in 1987 , the amadeus quartet disbanded.

SOLUTION:
the amadeus quartet disbanded in 1987 after schidlof died from a heart attack.