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

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

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