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

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

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