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

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

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