*SUPPORT*
IN: wif OUT: GREEN
IN: lug OUT: YELLOW
IN: fep tufa fep OUT: PURPLE PURPLE
IN: blicket wif wif zup OUT: PINK GREEN GREEN PINK GREEN GREEN
IN: lug fep zup OUT: YELLOW PURPLE YELLOW PURPLE
IN: lug tufa blicket OUT: YELLOW PINK
IN: lug gazzer wif OUT: GREEN YELLOW
IN: fep gazzer fep zup OUT: PURPLE PURPLE PURPLE PURPLE
IN: fep fep gazzer lug OUT: PURPLE YELLOW PURPLE
IN: wif gazzer blicket OUT: PINK GREEN
IN: fep tufa lug zup zup OUT: PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW
IN: wif gazzer lug zup OUT: YELLOW GREEN YELLOW GREEN
IN: lug fep tufa wif OUT: YELLOW PURPLE GREEN
IN: lug zup OUT: YELLOW YELLOW

*QUERY*
IN: lug lug lug gazzer fep OUT: YELLOW YELLOW PURPLE YELLOW
IN: wif tufa fep OUT: GREEN PURPLE
IN: lug lug tufa lug zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: blicket gazzer fep zup OUT: PURPLE PINK PURPLE PINK
IN: lug tufa lug zup OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif gazzer wif OUT: GREEN GREEN
IN: blicket tufa lug OUT: PINK YELLOW
IN: blicket OUT: PINK
IN: blicket gazzer fep OUT: PURPLE PINK
IN: wif gazzer fep OUT: PURPLE GREEN

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