You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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.

In early work , Rutherford discovered the concept of radioactive half-life, the radioactive element radon, and classified three types of radiations: alpha, beta and gamma radiation .

Solution: Rutherford discovered the radioactive half-life, the chemical element radon, and the three parts of radiation which he named Alpha, Beta, and Gamma .

Why? The output sentence is a simplified version of the input sentence.

New input: In the United States , the equivalent to the foreign ministry is called the Department of State , and the equivalent position is known as the Secretary of State .
Solution:
In the United States , the foreign minister is called the ' Secretary of State ' .