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

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

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