If the left image contains one forward-facing crab with its top shell visible, and the right image contains a mass of crabs.
return left image ;return crab in  #1 ;return #2 that is  forward-facing ;return #3 that has top shell visible ;return number of #4 ;return If #5 is  equal to one ;return right image ;return crabs in  #7 ;return mass of  #8 ;return number of #9 ;return If #9 is  equal to one ;return If both  #6 and #11 are  true
['select', 'project', 'filter', 'filter', 'aggregate', 'boolean', 'select', 'project', 'project', 'aggregate', 'boolean', 'boolean']