If the left image shows a parked, angled bus with a completely flat front, and the right image includes at least one bus with a hood that projects outward below the windshield.
return bus  ;return #1 that is parked ;return #2 that is angled ;return front of #3 ;return #3 where  #4 is completely flat ;return if  #5 is in  the  left image  ;return the  right image  ;return buses in  #7 ;return hood of #8 ;return windshield of #8 ;return #8 where  #9 projects outward below #10 ;return number of  #11 ;return if  #12 is at least one ;return if  both  #6 and #13 are true
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