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: oregano is an indispensable ingredient in greek cuisine.

SOLUTION: oregano is an ingredient in greek cuisine.

PROBLEM: economy the only economic activity of importance is agriculture.

SOLUTION: the only important economic activity is agriculture.

PROBLEM: he had been a surgeon-superintendent of ships taking convicts to new south wales and van diemen 's land -lrb- now known as tasmania -rrb-.

SOLUTION:
he had been a surgeon-superintendent of ships taking prisoners to new south wales and van diemen 's land -lrb- now called tasmania -rrb-.