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A (yes) 1 (yes) #? ... 1 (no) #? 1 (no) #? 1 (no) #?
A (yes) B (no) A (yes) B (no)
my %decision = ( A => 'yes', B=> 'no', '1'=>'', );
A (yes) 1 () ... 1 () 1 () 1 ()