What is the first name and gender of the all the students who have more than one pet?
return students ;return pets of  #1 ;return number of  #2 for each  #1 ;return #1 where #3 is  more than one ;return first names of  #4 ;return genders of  #4 ;return #5 ,  #6
['select', 'project', 'group', 'comparative', 'project', 'project', 'union']