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

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

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