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

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

*GRAMMAR*
dax -> GREEN 
 wif -> PINK 
 kiki -> PURPLE 
 blicket -> RED 
 u1 tufa x1 -> [u1] [x1] 
 x1 zup x2 -> [x1] [x2] 
 u1 fep -> [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 