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

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

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