Task: Question Answering
Input (English): Question: The synthesis of a human protein by a bacterium, to which human DNA has been introduced, demonstrates that: 
 Options:  <1> Evolution can be questioned. <2> Bacteria can acquire nucleus. <3> The genetic code is universal. <4> The human proteins are identical to the proteins of the bacteria. <5> The bacteria can be pathogenic.
Output (English): 3