*SUPPORT*
IN: lug OUT: GREEN
IN: fep blicket zup tufa wif tufa blicket OUT: PURPLE RED RED RED YELLOW RED
IN: fep tufa blicket tufa wif OUT: PURPLE RED YELLOW
IN: wif zup tufa lug OUT: YELLOW YELLOW YELLOW GREEN
IN: wif zup tufa blicket OUT: YELLOW YELLOW YELLOW RED
IN: wif zup tufa wif OUT: YELLOW YELLOW YELLOW YELLOW
IN: lug tufa wif OUT: GREEN YELLOW
IN: blicket dax tufa blicket OUT: RED RED RED RED
IN: wif tufa blicket OUT: YELLOW RED
IN: fep zup tufa blicket OUT: PURPLE PURPLE PURPLE RED
IN: lug zup OUT: GREEN GREEN GREEN
IN: lug dax OUT: GREEN GREEN GREEN
IN: fep OUT: PURPLE
IN: fep fep zup tufa wif OUT: PURPLE PURPLE PURPLE PURPLE YELLOW

*QUERY*
IN: wif zup OUT: YELLOW YELLOW YELLOW
IN: fep zup OUT: PURPLE PURPLE PURPLE
IN: blicket zup OUT: RED RED RED
IN: wif zup tufa fep OUT: YELLOW YELLOW YELLOW PURPLE
IN: blicket dax OUT: RED RED RED
IN: wif lug blicket dax OUT: YELLOW GREEN RED RED RED
IN: fep dax tufa fep tufa wif OUT: PURPLE PURPLE PURPLE PURPLE YELLOW
IN: lug lug OUT: GREEN GREEN
IN: wif lug lug blicket OUT: YELLOW GREEN GREEN RED
IN: blicket OUT: RED

*GRAMMAR*
blicket -> RED 
 wif -> YELLOW 
 lug -> GREEN 
 fep -> PURPLE 
 u1 zup -> [u1] [u1] [u1] 
 u1 dax -> [u1] [u1] [u1] 
 x1 tufa u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 