For each of the numbered words or expressions in the following sentences, indicate whether it is an argument marker, an assuring term, a guarding term, a discounting term, or none of these. For each argument marker, specify what the conclusion and the reasons are, and for each discounting term, specify what criticism is being discounted and what the response to this criticism is.
1. Although [1] no mechanism has been discovered, most [2] researchers in the field agree [3] that smoking greatly increases the chances [4] of heart disease.
2. Since [5] historically [6] public debt leads to inflation, I maintain [7] that, despite $[8]$ recent trends, inflation will return.
3. Take it from me [9], there hasn't been a decent center fielder since [10] Joe DiMaggio.
4. Whatever anyone tells you [11], there is little [12] to the rumor that Queen Elizabeth II will step down for [13] her son, Prince Charles.
5. The early deaths of Janis Joplin and Jimi Hendrix show [14] that drugs are really $[15]$ dangerous.
6. I think [16] he is out back somewhere.
7. I think [17], therefore [18] I am.
8. I concede [19] that the evidence is hopelessly [20] weak, but [21] I still think he is guilty.
9. I deny [22] that I had anything [23] to do with it.
10. The wind has shifted to the northeast, which means [24] that snow is likely [25].