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

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

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