*SUPPORT*
IN: gazzer dax tufa dax wif OUT: GREEN PURPLE BLUE
IN: gazzer dax wif lug fep gazzer OUT: GREEN BLUE RED GREEN
IN: lug fep gazzer OUT: RED GREEN
IN: lug fep wif OUT: RED BLUE
IN: wif OUT: BLUE
IN: tufa fep gazzer OUT: PURPLE GREEN
IN: gazzer fep gazzer OUT: GREEN GREEN
IN: lug OUT: RED
IN: lug blicket OUT: RED RED
IN: gazzer fep wif OUT: GREEN BLUE
IN: wif blicket OUT: BLUE BLUE
IN: lug dax lug lug wif fep lug OUT: RED RED RED BLUE RED
IN: gazzer lug wif gazzer blicket OUT: GREEN RED BLUE GREEN GREEN
IN: gazzer OUT: GREEN

*QUERY*
IN: wif lug OUT: BLUE RED
IN: tufa gazzer OUT: PURPLE GREEN
IN: tufa tufa fep wif OUT: PURPLE PURPLE BLUE
IN: tufa dax wif fep wif OUT: PURPLE BLUE BLUE
IN: tufa blicket OUT: PURPLE PURPLE
IN: wif dax lug fep gazzer OUT: BLUE RED GREEN
IN: lug fep lug OUT: RED RED
IN: gazzer blicket OUT: GREEN GREEN
IN: gazzer dax tufa blicket OUT: GREEN PURPLE PURPLE
IN: gazzer dax lug fep lug OUT: GREEN RED RED

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