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

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

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