Task: Question Answering
Input (English): Question: Which of the following answers is correct regarding a tRNA? 
 Options:  <1> The tRNA has an anticodon that recognizes the template DNA. <2> The amino acid is attached to the 5'-end. <3> It contains a polyA tail at its 3 'end. <4> It may contain pseudouridin and inosine. <5> It serves as a gene for some viruses.
Output (English): 4