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

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

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