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: mavis beacon teaches typing 16
description: mavis beacon teaches typing 16 helps you perform better at work and online with this simple guide to better keyboarding! explore 30 different lessons and perfect typing technique for faster and more efficient work.
manufacturer: broderbund
price: 19.99

Product 2:
title: mavis beacon 16
description: overview the leader in typing tutorial software for 10 years running mavis beacon teaches typing 16 delivers the customized training you need in a motivating engaging format. work at your own pace with lesson content that keeps you interested. ...
manufacturer: nan
price: 17.9
Answer: yes