Weeventuallyfoundtheanswerby aprocessofelimination.
There is nofail-safetestfor Alzheimer's, sodoctorsuse aprocessofeliminationto maketheirdiagnosis.
Injuriesmeantthat thegymnasticscoachespickedtheirteamsless byselectionthan by aprocessofelimination.
By aprocessofelimination, theydecidedthat thecauseof thefirewasarson.
By aprocessofelimination, Iworkedout that theflowershad come fromAdam.