题目内容：

Life of Pi 《少年派的奇幻漂流》,  the movie from an American Chinese director , Li An , tells an amazing story .

Pi is a boy . He lived happily with his family in a beautiful Indian town . His father had a zoo , so Pi knew a lot about animals .

But one day , his father decided to move to Canada , so the family began to sail on the Pacific with all the zoo animals . But a big storm hit their ship at night . Finally , Pi found the only survivor（幸存者）was himself and a large tiger called Parker on an 8-meter boat .

To keep himself alive , Pi had to keep feeding the tiger so that he himself did not get eaten . He tried to get on well with the tiger during a 227-day sail on the sea .

The movie discusses not only hope but also relationship between humans and nature . 

It took Li An four years to make the movie . He also used 3D for his first time . He hopes the movie will “make the people think ” .

根据短文内容，回答下列问题。

1.Where did Pi’s father decide to move ?

2.What happened when they sailed on the Pacific at night ?

3.Why did Pi have to keep feeding the tiger ?

4.What does the movie discuss ?

5.How long did it take Li An to make the movie ?