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

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

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