viability map of 'anna is a know all':
-- is[1] -- know[1] -- 
viability map of 'the soldier knows that ( this is true ) they do not carry rifles':
-- -- knows[1] -- -- -- is[2] -- -- -- do[3] not[3] carry[3] -- 
viability map of 'the solomon islands does not have an air force ( this is true )':
-- -- -- does[3] not[3] have[3] -- -- -- -- -- is[2] -- -- 
viability map of 'velma is not a thinker':
-- is[1] -- -- --