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

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

*GRAMMAR*
tufa -> BLUE 
 fep -> RED 
 blicket -> GREEN 
 gazzer -> PURPLE 
 x1 lug x2 -> [x1] [x2] [x2] 
 x1 dax x2 -> [x2] [x1] 
 u1 wif x1 -> [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 