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

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

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