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

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

*GRAMMAR*
lug -> PURPLE 
 fep -> PINK 
 blicket -> YELLOW 
 wif -> GREEN 
 x1 tufa x2 -> [x2] [x1] 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 