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

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

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