It is difficult to find the optimal solution to this problem.

He is the weakest member of the team.

The aforementioned work is highly rated.

He is using methods to avoid search engines so that his information does not get caught by them.

My father runs a coffee plantation.

He is creating a new novel.

Yesterday, I went to see a movie.

The cause of his lateness was a train delay.

He repeated trial and error to create a new recipe.

Scientists are advancing research on nuclear fusion.