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

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

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