Teacher: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.
Teacher: Now, understand the problem? Solve this instance: greenland first entertained the idea of a flag of its own in 1973 when five greenlanders proposed a green , white and blue flag.
Student:
in 1973 greenlanders first proposed their own flag which included green , white and blue.