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

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

*GRAMMAR*
wif -> GREEN 
 blicket -> BLUE 
 lug -> PINK 
 fep -> PURPLE 
 u1 tufa u2 -> [u2] [u1] [u2] [u2] [u2] 
 x1 kiki -> [x1] [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 