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

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

*GRAMMAR*
blicket -> PURPLE 
 lug -> BLUE 
 wif -> PINK 
 fep -> GREEN 
 u1 tufa x1 -> [u1] [x1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 