David K. Lam is a Chinese-born American technology entrepreneur. He founded Lam Research Corporation in 1980. He presently serves as Chairman of Multibeam Corporation (Santa Clara, CA), which manufactures complementary electron beam lithography (CEBL) systems. He also heads the David Lam Group, an investor and business advisor for high-growth technology companies.
The David Lam Group is headed by an American born man
Can we draw the following hypothesis from the context? 

Context:

David K. Lam is a Chinese-born American technology entrepreneur. He founded Lam Research Corporation in 1980. He presently serves as Chairman of Multibeam Corporation (Santa Clara, CA), which manufactures complementary electron beam lithography (CEBL) systems. He also heads the David Lam Group, an investor and business advisor for high-growth technology companies.

Hypothesis: The David Lam Group is headed by an American born mann
Options: 

 - yes

 - it is not possible to tell

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

Context:

David K. Lam is a Chinese-born American technology entrepreneur. He founded Lam Research Corporation in 1980. He presently serves as Chairman of Multibeam Corporation (Santa Clara, CA), which manufactures complementary electron beam lithography (CEBL) systems. He also heads the David Lam Group, an investor and business advisor for high-growth technology companies.

Hypothesis: The David Lam Group is headed by an American born mann
Options: 

 - yes

 - it is not possible to tell

 - no
user
no
assistant