Task: Question Answering
Input (English): Question: The extraction technique that is used for gas chromatographic determinations in which the analyte is desorbed or thermally desorbed is called: 
 Options:  <1> Liquid-liquid extraction. <2> Extraction in solid phase. <3> Microextraction in solid phase. <4> Subextraction in solid phase. <5> Crystallization.
Output (English): 3