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

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

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