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: test and improve your memory (dvd box)
description: test and improve your memory is a personal trainer for the mind. for your brain to operate it is peak it needs regular exercise. keep it in shape by improving your memory functions through these memory-strengthening games.
manufacturer: tri synergy
price: 29.99

Product 2:
title: tri synergy inc test & improve your memory - scientific brain training
description: engage challenge and train your memory as it is a crucial area of the brain that is important to your life. includes many games to have fun with various difficulty modes and coaching tools that help you progress.
manufacturer: nan
price: 24.31
Answer: yes