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

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

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