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

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

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