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

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

*GRAMMAR*
fep -> PURPLE 
 tufa -> RED 
 dax -> GREEN 
 wif -> PINK 
 u1 lug u2 -> [u1] [u2] 
 u1 blicket x1 -> [u1] [u1] [x1] 
 x1 kiki x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 