Study the following paragraphs. Then write an appropriate subject line and opening sentence for each one.

Your letter of November 2 has been referred to my desk. Pursuant to your inquiry, I have researched your question in regard to the colors of our European-style patio umbrella. This unique umbrella is one of our most popular items. Its 10-foot canopy protects you when the sun is directly overhead, but it also swivels and tilts to virtually any angle for continuous sun protection all day long. It comes in two colors: cream and forest green.