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

*QUERY*
IN: zup dax fep kiki OUT: PURPLE GREEN YELLOW
IN: dax wif kiki fep tufa OUT: PINK PURPLE YELLOW
IN: zup dax wif zup fep tufa OUT: PINK GREEN GREEN YELLOW
IN: dax fep tufa OUT: PINK YELLOW
IN: tufa wif kiki fep tufa OUT: PINK PURPLE PINK
IN: zup dax zup blicket dax fep tufa OUT: PINK GREEN YELLOW GREEN GREEN YELLOW
IN: tufa wif tufa OUT: PINK PINK
IN: zup zup blicket kiki OUT: GREEN GREEN GREEN PURPLE
IN: dax blicket dax OUT: YELLOW YELLOW YELLOW
IN: zup OUT: GREEN

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