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

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

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