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: swat 4: special weapons and tactics
description: looking for a tactical shooter that asks you to do more than charge a building guns a' blazin'? with a focus on sparing as many lives as possible swat 4 not only raises the stakes it raises the realism to a new level. choose your loadout carefully and only go...
manufacturer: vivendi universal
price: 19.99

Product 2:
title: vivendi-universal games inc swat 4
description: it's not just about the badge it's about the rush! the adrenaline is always high as you carry on the legendary swat� tradition ? leading an elite squad of tactical experts into hard-hitting action that delves into every detail of the
manufacturer: nan
price: 18.77
Answer: yes