*SUPPORT*
IN: tufa tufa wif kiki OUT: YELLOW YELLOW PURPLE
IN: tufa lug wif gazzer wif lug wif kiki OUT: YELLOW BLUE RED BLUE PURPLE
IN: tufa wif kiki fep lug tufa wif gazzer OUT: YELLOW PURPLE BLUE YELLOW RED
IN: kiki fep gazzer tufa wif gazzer wif kiki OUT: PURPLE RED YELLOW RED PURPLE
IN: kiki lug wif lug OUT: PURPLE BLUE BLUE
IN: tufa wif tufa zup gazzer OUT: RED YELLOW YELLOW
IN: kiki zup gazzer OUT: RED PURPLE
IN: kiki zup tufa OUT: YELLOW PURPLE
IN: tufa gazzer OUT: YELLOW RED
IN: gazzer kiki zup tufa OUT: YELLOW RED PURPLE
IN: kiki tufa zup tufa zup tufa fep kiki OUT: YELLOW YELLOW PURPLE YELLOW PURPLE
IN: kiki wif lug OUT: PURPLE BLUE
IN: kiki wif tufa OUT: PURPLE YELLOW
IN: lug kiki OUT: BLUE PURPLE

*QUERY*
IN: gazzer OUT: RED
IN: lug OUT: BLUE
IN: lug tufa OUT: BLUE YELLOW
IN: tufa OUT: YELLOW
IN: gazzer zup kiki OUT: PURPLE RED
IN: kiki gazzer wif tufa OUT: PURPLE RED YELLOW
IN: lug wif tufa OUT: BLUE YELLOW
IN: lug tufa wif lug OUT: BLUE YELLOW BLUE
IN: kiki OUT: PURPLE
IN: kiki lug OUT: PURPLE BLUE

*GRAMMAR*
tufa -> YELLOW 
 gazzer -> RED 
 kiki -> PURPLE 
 lug -> BLUE 
 x1 wif u1 -> [x1] [u1] 
 x1 zup u1 -> [u1] [x1] 
 x1 fep x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 