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

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

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