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

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

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