Instruction: Given the title, description, manufacturer, and price of two products, identify if they are the same product. Only output yes or no.

Input:
Product 1:
title: civilization iv warlords (mac)
description: sid meier's civilization iv: warlords is the first expansion pack for the firaxis games' award-winning title civilization iv. paying homage to some of history's greatest military leaders the expansion delivers eight unique and interesting scenarios giving players the chance to change the course of history with the help of their...
manufacturer: aspyr media
price: 29.99

Product 2:
title: civilization iv warlords expansion for mac
description: requires the full version of civilization iv for mac os x to play minimum system requirements operating system: mac os x 10.3.9 or later cpu processor: powerpc g5 or intel cpu speed: 1.8 ghz or faster memory: 512 mb or higher hard disk space: 3.5 gb ...
manufacturer: nan
price: 29.99
Answer: yes