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

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

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