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: crystal reports xi professional edition
description: the world standard for report creation just got better. crystal reports xi professional is an intuitive enterprise report designer that helps you rapidly create flexible feature-rich high fidelity reports with access to almost any enterprise data source. this latest release now makes data access report design and report maintenance easier...
manufacturer: business objects
price: 495.0

Product 2:
title: business objects crystal reports xi
description: crystal reports gives you flexible and unconstrained control over data connectivity so you can satisfy end-user information requirements.
manufacturer: nan
price: 459.99
Answer: yes