18. The computer storage medium of claim 17 , further comprising instructions that when executed by one or more computers cause the one or more computers to perform operations comprising: providing one or more of the suggested answer for presentation to the first user.
18. The computer storage medium of claim 17 , further comprising instructions that when executed by one or more computers cause the one or more computers to perform operations comprising: providing one or more of the suggested answer for presentation to the first user. 19. The computer storage medium of claim 18 , wherein providing one or more of the suggested answers includes providing one or more ranked suggested answers and wherein providing one or more ranked suggested answers comprises: grouping similar suggested answers based on a semantic similarity measure; and ranking the suggested answers where each group of similar suggested answers is given a combined ranking.