Task: Question Answering
Input (English): Question: Within the field of bacteriology, what statement is valid in relation to the phenomenon of phage conversion ?: 
 Options:  <1> It is a consequence of infection by a lytic phage. <2> It does not imply genotypic alterations. <3> It involves the lysogenization of the bacteria by a phage. <4> It does not imply phenotypic alterations. <5> It is a specialized process of conjugation.
Output (English): 3