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

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

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