1 In our town, there were many people WHO did not care about the environment.
2 I enjoyed visiting the nature park WHICH you recommended.
3 I still remember the man WHO taught me to climb trees when I was a little boy.
4 The scientists WHO appear on national television are often amateurs.
5 People WHO work for the hunger program say that thousands of people worldwide die from starvation every single day of the year.
6 While the boy was at the Askania Nova Reserve, he took many pictures of zebras WHICH were roaming in the steppe.
