Would you like to observe the stars at the observatory tonight?

Her dress was a vivid lemon color, and it stood out.

That proposal is completely unthinkable.

As a practical question, how are we going to fund this project?

He is observing stars at the observatory.

A new approach is needed to solve this set of problems.

His family's crest tells the story of ancient history.

He cannot read the letter because he is illiterate.

He found a solution to the problem through a cycle of answering his own questions.

He found a solution by repeatedly answering his own questions.