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

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

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