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

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

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