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

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

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