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

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

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