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

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

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