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

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

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