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

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

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