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

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

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