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

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

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