If no image contains more than two crabs, and no image features crabs that are prepared for eating.
return crabs ;return #1 that are prepared for eating ;return images of #1 ;return images of #2 ;return number of  #4 ;return if  #5 is equal to  zero ;return number of  #1 for each  #3 ;return #3 where  #7 is higher than two ;return number of  #8 ;return if  #9 is equal to  zero ;return if  both  #10 and #6 are true
['select', 'filter', 'project', 'project', 'aggregate', 'boolean', 'group', 'comparative', 'aggregate', 'boolean', 'boolean']