*SUPPORT*
IN: lug fep wif OUT: BLUE YELLOW YELLOW YELLOW
IN: kiki blicket fep OUT: PINK YELLOW
IN: fep wif OUT: YELLOW YELLOW YELLOW
IN: fep tufa lug OUT: BLUE YELLOW
IN: kiki blicket zup OUT: PINK RED
IN: fep OUT: YELLOW
IN: zup tufa lug OUT: BLUE RED
IN: fep kiki OUT: YELLOW PINK
IN: fep tufa kiki blicket fep OUT: PINK YELLOW YELLOW
IN: fep zup tufa kiki blicket zup OUT: YELLOW PINK RED RED
IN: zup fep zup kiki blicket zup blicket lug OUT: RED YELLOW RED PINK RED BLUE
IN: kiki kiki OUT: PINK PINK
IN: zup fep OUT: RED YELLOW
IN: lug kiki kiki fep fep OUT: BLUE PINK PINK YELLOW YELLOW

*QUERY*
IN: lug tufa fep blicket zup OUT: YELLOW BLUE RED
IN: kiki tufa lug OUT: BLUE PINK
IN: kiki tufa zup OUT: RED PINK
IN: lug blicket zup OUT: BLUE RED
IN: lug lug tufa fep blicket fep OUT: BLUE YELLOW BLUE YELLOW
IN: lug OUT: BLUE
IN: fep tufa fep OUT: YELLOW YELLOW
IN: lug wif blicket zup OUT: BLUE BLUE BLUE RED
IN: kiki tufa fep OUT: YELLOW PINK
IN: lug wif blicket kiki blicket kiki OUT: BLUE BLUE BLUE PINK PINK

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