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

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

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