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

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

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