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

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

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