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: in order to accomplish their objective , surveyors use elements of geometry , engineering , trigonometry , mathematics , physics , and law.

SOLUTION: in order to complete their objective , surveyors use elements of geometry , engineering , trigonometry , mathematics , physics , and law.

PROBLEM: the petitions at the end of the hymn -lrb- beginning salvum fac populum tuum -rrb- are a selection of verses from the book of psalms , appended subsequently to the original hymn.

SOLUTION: the petitions at the end of the hymn -lrb- beginning salvum fac populum tuum -rrb- are a selection of verses from the book of psalms , later changed to the original hymn.

PROBLEM: some speculative sources say that he was also in paris between 1308 and 1310.

SOLUTION:
some sources think that he was also in paris between 1308 and 1310.