Task: Question Answering
Input (English): Question: The antibiotic tetracycline: 
 Options:  <1> It binds to the 30S subunit and inhibits the binding of aminoacyl-tRNA. <2> Inhibits the peptidyltransferase activity of the 50S ribosomal subunit. <3> It binds to the 50S ribosomal subunit and inhibits translocation. <4> It inhibits the initiation and originates an erroneous reading of the mRNA. <5> It causes premature termination by acting as an analog of the aminoacyl-tRNA.
Output (English): 1