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

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

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