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

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

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