Imagine you are out shopping with a spanish-speaking friend. translate what the clerk says into spanish so your friend understands. remember to use the formal ud. form when necessary. "what color, sir? "

¿de qué color, señor?

Here we must translate the question:

What color, sir?

a rough translation of this is:

¿Qué color, señor?

Here are two things you need to remember, in Spanish you must open questions with the (¿) symbol, and the word "que" has a marked accent when it used in a question.

what sentences? what words?