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

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

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