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

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

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