Task: Question Answering
Input (English): Question: In relation to the treatment of a non-smoking woman with non-small cell lung carcinoma, stage IV adenocarcinoma, which of the following statements is correct? 
 Options:  <1> The determination of the epidermal growth factor receptor (EGFR) mutation is required. <2> Entry Gefitinib is the standard treatment without EGFR determination. <3> It has a standard treatment based on camptothecins. <4> Any type of standard chemotherapy is valid. <5> There is no predictive factor for this disease.
Output (English): 1