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

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

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