Valentino D. B. Mazzia (February 17, 1922 – March 10, 1999) was an American physician who served as chairman of the department of anesthesiology at the New York University School of Medicine and was a pioneer in the forensic analysis of deaths occurring during surgical procedures. He testified in many criminal cases about the use and presence of anesthesia products in cases of death.
Valentino was very knowlegabel about anesthesia.
Can we draw the following hypothesis from the context? 

Context:

Valentino D. B. Mazzia (February 17, 1922 – March 10, 1999) was an American physician who served as chairman of the department of anesthesiology at the New York University School of Medicine and was a pioneer in the forensic analysis of deaths occurring during surgical procedures. He testified in many criminal cases about the use and presence of anesthesia products in cases of death.

Hypothesis: Valentino was very knowlegabel about anesthesia.n
Options: 

 - yes

 - it is not possible to tell

 - no
yes
Can we draw the following hypothesis from the context? 

Context:

Valentino D. B. Mazzia (February 17, 1922 – March 10, 1999) was an American physician who served as chairman of the department of anesthesiology at the New York University School of Medicine and was a pioneer in the forensic analysis of deaths occurring during surgical procedures. He testified in many criminal cases about the use and presence of anesthesia products in cases of death.

Hypothesis: Valentino was very knowlegabel about anesthesia.n
Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant