Instruction: Check the details of the two products to see if they refer to the same product. Output only yes or no.

Input:
Product 1:
title: corel wordperfect office 12 standard upgrade
description: produce documents and office presentations that look great in multiple formats -- and much more! / version upgrade enhance your personal documents with powerful graphics tools - add 3d charts tables clipart images or your own artwork publish directly to pdf with the push of a button greater support for...
manufacturer: corel
price: 149.99

Product 2:
title: corel corel word perfect office 12 upgrade
description: super fast shipping - platinum reseller ratings - over 12 years in business wordperfect office 12 is a feature-rich compatible office productivity suite that offers powerful functionality at a competitive price. complete with word processing ...
manufacturer: nan
price: 49.99
Answer: yes