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: tlc arthur's kindergarten learning system 2008
description: tlc arthur's kindergarten learning system is designed to teach essential kindergarten skill sets through a variety of proven learning techniques and never-ending educational fun. practice letter recognition & sounds have fun with addition & subtraction learn patterns & sequences learning fundamental math skills is fun when it's part of a...
manufacturer: encore
price: 19.99

Product 2:
title: tlc arthur's kindergarten learning system (pc) encore
description: key features: kindergarten skills bonus dvd ...
manufacturer: nan
price: 19.95
Answer: yes