Options: (I). Touching the ball with hands.; (II). Playing soccer.; (III). Watching TV.; (IV). Playing American football.;

Read the following article and answer the question. Article: Do you know there are two kinds of football games? One is American football , and the other is soccer .In China many young men like playing soccer. It is very popular. But the Chinese don't call it soccer. They call it football. There are eleven players in each team. And the ball is round. Only the goalkeeper can touch the ball with his hands. The other players can't touch the ball with their hands. In America, soccer is not very popular. They like playing American football. It is very different. The ball is not round. It is like a big egg. There are also eleven players in each team. All the players can touch the ball with both feet and hands. Question: What do the American people like very much? Answer:
Answer:
(IV).