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

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

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