*SUPPORT*
IN: zup tufa kiki kiki tufa zup OUT: GREEN BLUE BLUE GREEN BLUE BLUE GREEN
IN: fep lug OUT: PINK PINK
IN: fep OUT: PINK
IN: kiki tufa kiki lug OUT: BLUE BLUE BLUE BLUE BLUE
IN: kiki tufa fep lug OUT: PINK PINK BLUE PINK PINK
IN: gazzer OUT: PURPLE
IN: zup kiki lug OUT: GREEN BLUE BLUE
IN: kiki wif fep tufa zup wif fep OUT: PINK GREEN PINK BLUE PINK GREEN
IN: zup wif fep OUT: PINK GREEN
IN: kiki lug tufa fep tufa kiki lug OUT: BLUE BLUE PINK BLUE BLUE PINK BLUE BLUE
IN: fep wif gazzer OUT: PURPLE PINK
IN: fep tufa fep lug OUT: PINK PINK PINK PINK PINK
IN: kiki OUT: BLUE
IN: zup kiki kiki OUT: GREEN BLUE BLUE

*QUERY*
IN: gazzer lug OUT: PURPLE PURPLE
IN: kiki wif fep OUT: PINK BLUE
IN: zup wif kiki OUT: BLUE GREEN
IN: kiki wif zup OUT: GREEN BLUE
IN: fep kiki lug OUT: PINK BLUE BLUE
IN: zup kiki OUT: GREEN BLUE
IN: zup lug OUT: GREEN GREEN
IN: fep wif zup tufa fep wif kiki OUT: BLUE PINK GREEN PINK BLUE PINK
IN: kiki lug OUT: BLUE BLUE
IN: zup wif gazzer OUT: PURPLE GREEN

*GRAMMAR*
gazzer -> PURPLE 
 kiki -> BLUE 
 zup -> GREEN 
 fep -> PINK 
 u1 wif u2 -> [u2] [u1] 
 u1 lug -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 