Task: Question Answering
Input (English): Question: The sedation and drowsiness that mirtazapine produces are directly related to its interaction with the receptors: 
 Options:  <1> 5-HT1. <2> Adrenergic 1 and 2. <3> Histaminergic H1. <4> GABA <5> Muscarinic cholinergic
Output (English): 3