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

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

*GRAMMAR*
lug -> GREEN 
 tufa -> PINK 
 wif -> PURPLE 
 kiki -> RED 
 x1 zup -> [x1] [x1] 
 x1 dax x2 -> [x1] [x2] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 