Task: Text Categorization
Input (English): Question: The toxicological interest of the hair is due to: 
 Options:  <0> His analysis allows to know the toxic exposure in the past. <1> The change in their coloration can facilitate the diagnosis of poisoning. <2> It constitutes an effective protective barrier against the action of corrosives. <3> Its growth is interrupted by the chronic consumption of amphetamines. <4> Hair analysis is of no interest in Toxicology.
Output (English): pharmacology