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

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

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