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

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

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