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

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

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