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

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

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