If only one of the televisions appears to be reflecting light; the other tv is completely dark.
return televisions ;return light ;return #1 that appears to  be reflecting #2 ;return #1 that is completely dark ;return number of  #3 ;return number of  #4 ;return if  #5 is equal to  one ;return if  #6 is equal to  one ;return if  both  #7 and #8 are true
['select', 'select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']