Task: Text Categorization
Input (English): Question: The use of the standard addition method in the calibration of an instrumental analysis method is recommended: 
 Options:  <0> Whenever possible <1> When analyzing complex samples in which important matrix effects are likely to occur and you want to minimize them. <2> When you want to determine very high concentrations of analyte. <3> When you want to use a dilution factor. <4> In automated acid-base volumetries.
Output (English): pharmacology