100 dental specialists are attending a medical convention. Each specialist is either an orthodontist, oral surgeon. at least one is an orthodontist, given any two of the specialists, at least one is an oral surgeon.

How many are orthodontist and how many are oral surgeons.

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can you determine which one of the following words does not belong with the others? Note: this has to do with meaning :

redirect, recapture, remorse, reunite, repaint, rearrange, revisit

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1. only one is an orthodontist to go along with 99 oral surgeons

2. remorse does not belong with the others.