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

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

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