Context should play a part in determining your writing's tone. t or f

When the subject of a sentence performs the action in the sentence the verb in the sentence is in the what ?

In your own honest opinion, what are your views on same-sex relationships/marriage? be sure to include at least 2-3 paragraphs with correct spelling and appropriate language. be sure to explain why you feel/think the way you do about this particular topic. support your answer with supporting details.(for anyone that answers do not hate on anyone's answer, we all have our own point of views and opinions)

[1] when the twins grew up, they continued to fight. [2] one day they decided to hold a contest to determine who was stronger. [3] though they tried to defeat each other in many different ways, neither one could win. [4] on the last day, they fought with weapons. [5] using a deer antler, the right-handed twin overpowered his brother, and he threw him off the edge of the earth. [6] today, the right-handed twin lives in the sky-world, and the left-handed twin lives in the dark underworld. [7] they rule the earthly world of men together.