Meaning representation: give_opinion(name[Portal 2], developer[Valve Corporation], rating[excellent], player_perspective[first person])
Utterance: Portal 2 is an awesome game. I loved the first person perspective, and Valve Corporation is an amazing developer whose games are always my favorites.
Utterance: Portal 2 is yet another amazing entry into Valve Corporation's gaming library. A downright perfect first person puzzle game with a great story and humor to boot! You must play it because really, there's just nothing like it.
Utterance: I think Portal 2 is an amazing game. Valve Corporation is an excellent developer, and the first person perspective of the game really enhances the experience.