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

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

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