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

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

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