The aunt was playing with the children in the park.

The uncle was reading a newspaper in the park.

I have been to Santo Domingo.

We spread phosphate fertiliser on the field.

In this chemical reaction, cyclohexane is the main product.

In linear algebra, triangular matrices play a very important role.

A lower triangular matrix is a matrix where all the elements below the main diagonal are zero.

There is a complex love triangle between them.

He is studying late into the night to learn a new computer language.

The separation of powers is one of the basic principles of democracy.