Task: Question Answering
Input (English): Question: Of the antiemetic drugs reviewed, in which of them their pharmacological activity is NOT related to dopaminergic receptors ?: 
 Options:  <1> Granisetron. <2> Cleboprida. <3> Droperidol <4> Tietilperazine. <5> Domperidone
Output (English): 1