If the tv on the right is viewed head-on, and the tv on the left is displayed at an angle.
return tvs ;return #1 that is on the  right ;return if  #2 is viewed head-on ;return #1 that is on the  left ;return if  #4 is displayed at an angle ;return if  both  #3 and #5 are true
['select', 'filter', 'boolean', 'filter', 'boolean', 'boolean']