*SUPPORT*
IN: fep gazzer wif tufa blicket OUT: YELLOW RED GREEN
IN: wif blicket gazzer blicket tufa fep OUT: YELLOW RED GREEN RED
IN: fep wif OUT: GREEN YELLOW
IN: fep gazzer wif gazzer kiki tufa wif OUT: PINK YELLOW YELLOW GREEN
IN: fep tufa blicket OUT: GREEN RED
IN: kiki zup OUT: PINK PINK
IN: wif zup OUT: YELLOW YELLOW
IN: wif wif blicket zup OUT: YELLOW YELLOW RED RED
IN: kiki tufa wif OUT: PINK YELLOW
IN: wif OUT: YELLOW
IN: blicket zup OUT: RED RED
IN: blicket gazzer wif gazzer wif OUT: YELLOW YELLOW RED
IN: blicket tufa fep OUT: RED GREEN
IN: wif wif tufa kiki OUT: YELLOW YELLOW PINK

*QUERY*
IN: fep tufa fep OUT: GREEN GREEN
IN: fep kiki tufa fep OUT: GREEN PINK GREEN
IN: fep OUT: GREEN
IN: kiki tufa fep OUT: PINK GREEN
IN: fep gazzer blicket zup OUT: RED RED GREEN
IN: fep zup OUT: GREEN GREEN
IN: blicket blicket blicket fep OUT: RED RED RED GREEN
IN: kiki OUT: PINK
IN: wif gazzer wif zup OUT: YELLOW YELLOW YELLOW
IN: fep tufa kiki OUT: GREEN PINK

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