Task: Question Answering
Input (English): Question: In the analysis of a pedigree of an autosomal dominant trait it is observed that: 
 Options:  <1> The trait appears more frequently in males. <2> The unaffected people do not transmit the trait. <3> The trait tends to skip generations. <4> The affected people have both affected parents. <5> The trait tends to appear in the progeny of related parents.
Output (English): 2