Statements: About 50 per cent of the animal by-products - hair, skin, horns etc. is edible protein. American chemists have developed a method of isolating 45 per cent of this protein. They used an enzyme developed in Japan to break down soya protein. Conclusions: Americans have not been able to develop enzymes. Animal by-products protein has the same composition as soya protein.

• Only conclusion I follows
• Only conclusion II follows
• Either I or II follows
• Neither I nor II follows
• Both I and II follow