Условие:
Rewrite the pairs of sentences with a non-defining relative clause.
0 Pong was my uncle's favourite game. It was first sold in 1972.\nPong, which was first sold in 1972, was my uncle's favourite game. Pong, which was my uncle's favourite game, was first sold in 1972.
1 Simon sits next to me in class. He is brilliant at driving games.
2 Cupertino is in California. Apple Computers is based there.
3 My little brother is really good on the Wii.\nHe is only four.
4 The Sims has got millions of online players. It's a real life-simulation game.

