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

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

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