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

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

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