Take the following as truth: Among Professor Rogers' publications are two books on mediation and the law that received Book Prizes in 1987 and 1989,  a text for law students written with Richard A. Salem and a legal treatise written with Craig McEwen.
Then the following statement: "Professor Rodgers was a lawyer for 18 years and a judge for 10 years." is true, false, or inconclusive?
Answer: Inconclusive