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

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

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