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

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

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