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

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

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