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

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

*GRAMMAR*
wif -> GREEN 
 dax -> RED 
 lug -> PURPLE 
 fep -> PINK 
 u1 zup u2 -> [u2] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 tufa -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 