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

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

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