If in at least one image there is a single snow vehicle with its plow in the air.
return snow vehicles ;return plow of #1 ;return #1 where  #2 is in  the  air ;return images of #3 ;return number of  #3 for each  #4 ;return #4 where  #5 is equal to  one ;return number of  #6 ;return if  #7 is at least one
['select', 'project', 'comparative', 'project', 'group', 'comparative', 'aggregate', 'boolean']