*SUPPORT*
IN: fep tufa zup gazzer OUT: PINK GREEN GREEN PINK GREEN GREEN
IN: fep gazzer gazzer OUT: PINK PINK PINK PINK
IN: lug blicket OUT: BLUE RED
IN: blicket blicket tufa fep OUT: RED RED PINK PINK
IN: fep blicket kiki blicket OUT: PINK RED RED RED
IN: fep lug kiki lug gazzer OUT: PINK BLUE BLUE BLUE PINK BLUE BLUE BLUE
IN: lug kiki lug OUT: BLUE BLUE BLUE
IN: fep OUT: PINK
IN: lug fep tufa blicket OUT: BLUE PINK RED RED
IN: blicket OUT: RED
IN: fep kiki fep OUT: PINK PINK PINK
IN: lug lug OUT: BLUE BLUE
IN: fep tufa fep OUT: PINK PINK PINK
IN: fep kiki lug OUT: BLUE PINK BLUE

*QUERY*
IN: zup kiki fep OUT: PINK GREEN PINK
IN: zup gazzer OUT: GREEN GREEN
IN: blicket blicket kiki zup OUT: RED GREEN RED GREEN
IN: lug kiki blicket OUT: RED BLUE RED
IN: blicket zup gazzer gazzer OUT: RED GREEN RED GREEN RED GREEN RED GREEN
IN: blicket tufa blicket OUT: RED RED RED
IN: blicket kiki lug OUT: BLUE RED BLUE
IN: fep tufa blicket OUT: PINK RED RED
IN: lug fep OUT: BLUE PINK
IN: lug kiki zup OUT: GREEN BLUE GREEN

*GRAMMAR*
lug -> BLUE 
 fep -> PINK 
 zup -> GREEN 
 blicket -> RED 
 u1 tufa u2 -> [u1] [u2] [u2] 
 x1 gazzer -> [x1] [x1] 
 u1 kiki u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 