If there are at least two goats and none of them are on the grass.
return goats ;return grass ;return #1 on #2 ;return the  number of  #1 ;return the  number of  #3 ;return if  #4 is at least two ;return if  #5 is equal to  zero ;return if  both  #6 and #7 is true
['select', 'select', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']