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

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

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