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

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

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