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

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

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