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

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

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