*SUPPORT*
IN: lug dax OUT: GREEN PURPLE
IN: dax tufa gazzer OUT: PURPLE BLUE
IN: dax tufa dax wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: fep kiki OUT: YELLOW YELLOW
IN: dax fep tufa lug OUT: PURPLE YELLOW GREEN
IN: lug wif OUT: GREEN GREEN GREEN
IN: gazzer OUT: BLUE
IN: gazzer tufa gazzer OUT: BLUE BLUE
IN: fep gazzer wif OUT: YELLOW BLUE YELLOW BLUE YELLOW BLUE
IN: fep wif OUT: YELLOW YELLOW YELLOW
IN: lug tufa lug OUT: GREEN GREEN
IN: lug tufa fep OUT: GREEN YELLOW
IN: lug tufa dax OUT: GREEN PURPLE
IN: lug kiki OUT: GREEN GREEN

*QUERY*
IN: fep OUT: YELLOW
IN: fep dax kiki OUT: YELLOW PURPLE PURPLE
IN: dax kiki OUT: PURPLE PURPLE
IN: fep tufa gazzer wif OUT: YELLOW BLUE YELLOW BLUE YELLOW BLUE
IN: gazzer tufa fep OUT: BLUE YELLOW
IN: dax tufa gazzer wif OUT: PURPLE BLUE PURPLE BLUE PURPLE BLUE
IN: lug OUT: GREEN
IN: fep tufa lug OUT: YELLOW GREEN
IN: lug tufa gazzer OUT: GREEN BLUE
IN: dax tufa dax OUT: PURPLE PURPLE

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