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

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

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