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

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

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