Psychologists suggest that to cure cruelty

When comparing the tough and gentle elephant-training techniques, the writer considers the latter to be

1. 
   stupid and largely immoral
   
2. 
   the method which is more successful
   
3. 
   very time-consuming and lacking in rewards
   
4. 
   the one more likely to harm the elephant
   

2. 
   The most important point when training an elephant is
   

1. 
   not to change the trainer
   
2. 
   to give it a dog for company
   
3. 
   to show it lots of affection
   
4. 
   not to try to train calves
   

3. 
   According to the writer, the tough training technique
   

1. 
   is much faster than the gentle
   
2. 
   requires a trainer of great physical strength
   
3. 
   is not only foolish but also immoral
   
4. 
   is only effective for a short period