If in total, two hot-air balloons are shown, each floating in the air.
return hot-air balloons ;return #1 that are floating in  the  air ;return number of  #1 ;return number of  #2 ;return if  #3 is equal to  two ;return if  #4 is equal to  two ;return if  both  #5 and #6 are true
['select', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']