If the right image contains one wolf, a pup standing in front of trees with its body turned rightward.
return wolf ;return #1 that is  a  pup ;return trees ;return #2 standing in  front of  #3 ;return #4 with  its body turned rightward ;return if  #5 is  in  the  right image
['select', 'filter', 'select', 'filter', 'filter', 'boolean']