Task: Text Categorization
Input (English): Question: Which statement is true in relation to the Electron Repulsion Model of the Valencia layer applied to AB n molecules: 
 Options:  <0> The AB2 molecules are always linear. <1> The AB6 molecules are always octahedral. <2> The AB3 molecules are always triangular. <3> The AB4 molecules are always tetrahedral. <4> The AB5 molecules are always trigonal bipyramidal.
Output (English): pharmacology