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 positive psychology , social scientists study what might contribute to living a good life , or what would lead to people having increased positive mood and overall satisfaction with their life .
In positive psychology , researchers are studying what gives a person satisfaction in life .

Although the Kansas Constitution was amended in 1986 to allow the sale of alcoholic liquor by the individual drink with the approval of voters , Lane County has remained a prohibition , or " dry " , county .
Although the Kansas Constitution was changed in 1986 to allow the sale of alcohol , Lane County is still a " dry " county .

The Battle of Marathon was a watershed in the Greco-Persian wars , showing the Greeks that the Persians could be beaten ; the eventual Greek triumph in these wars can be seen to have begun at Marathon .

The Battle of Marathon was a watershed in the Greco-Persian wars , showing the Greeks that the Persians could be beaten .