[lojban-beginners] How to use "birti"/"jetnu"/"jinvi"/etc.?

[c1tk@c1tk.cjb.net]

coi rodo,

What is the correct way to use gismu such as "birti", "jetnu", "jinvi"
which involve a full-blown assertion as one of their arguments? E.g.
how do I transform a statement like "Saddam is evil" ("la sadam. palci")
into "I think Saddam is evil"? What should I put as the x2 to "jinvi"?

Thanks,
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