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

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

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