*SUPPORT*
IN: zup fep fep kiki zup blicket lug OUT: GREEN BLUE BLUE GREEN PURPLE
IN: wif blicket zup OUT: YELLOW GREEN
IN: wif lug tufa blicket wif OUT: YELLOW PURPLE PURPLE YELLOW
IN: fep lug tufa OUT: BLUE PURPLE PURPLE
IN: zup wif kiki zup OUT: GREEN YELLOW GREEN
IN: wif lug tufa kiki fep OUT: YELLOW PURPLE PURPLE BLUE
IN: fep tufa OUT: BLUE BLUE
IN: zup zup blicket wif blicket lug OUT: GREEN GREEN YELLOW PURPLE
IN: zup tufa kiki fep wif OUT: GREEN GREEN BLUE YELLOW
IN: wif tufa OUT: YELLOW YELLOW
IN: fep wif tufa OUT: BLUE YELLOW YELLOW
IN: wif OUT: YELLOW
IN: lug OUT: PURPLE
IN: zup tufa blicket lug OUT: GREEN GREEN PURPLE

*QUERY*
IN: lug tufa OUT: PURPLE PURPLE
IN: zup OUT: GREEN
IN: fep OUT: BLUE
IN: fep tufa blicket zup OUT: BLUE BLUE GREEN
IN: wif kiki wif tufa blicket wif blicket fep OUT: YELLOW YELLOW YELLOW YELLOW BLUE
IN: wif kiki fep zup blicket zup OUT: YELLOW BLUE GREEN GREEN
IN: lug tufa blicket lug OUT: PURPLE PURPLE PURPLE
IN: lug blicket zup OUT: PURPLE GREEN
IN: lug fep tufa OUT: PURPLE BLUE BLUE
IN: zup tufa blicket wif OUT: GREEN GREEN YELLOW

*GRAMMAR*
zup -> GREEN 
 lug -> PURPLE 
 fep -> BLUE 
 wif -> YELLOW 
 x1 blicket u1 -> [x1] [u1] 
 u1 tufa -> [u1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 