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

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

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