Psychologists suggest that to cure cruelty

From the information given in the passage, it is clear that

1. 
   there are a large number of fake works of art in existence
   
2. 
   counterfeit masterpieces are extremely rare, except for Rembrandt's paintings
   
3. 
   counterfeiting masterpieces has become harder recently
   
4. 
   wealthy Romans were often deceived and purchased fake copies of Greek statues
   

2. It is stated in the passage that

1. 
   over half of Rembrandt's paintings are not masterpieces
   
2. 
   all of the prominent painters' work has been copied
   
3. 
   fakes are always easy to detect on examination
   
4. 
   we will soon be sure of the exact number of forgeries hanging in the world's museums