Project Gasbuggy was an underground nuclear detonation carried out by the United States Atomic Energy Commission on December 10, 1967 in rural northern New Mexico. It was part of Operation Plowshare, a program designed to find peaceful uses for nuclear explosions.
It started on December 9, 1967.
Can we draw the following hypothesis from the context? 

Context:

Project Gasbuggy was an underground nuclear detonation carried out by the United States Atomic Energy Commission on December 10, 1967 in rural northern New Mexico. It was part of Operation Plowshare, a program designed to find peaceful uses for nuclear explosions.

Hypothesis: It started on December 9, 1967.n
Options: 

 - yes

 - it is not possible to tell

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

Context:

Project Gasbuggy was an underground nuclear detonation carried out by the United States Atomic Energy Commission on December 10, 1967 in rural northern New Mexico. It was part of Operation Plowshare, a program designed to find peaceful uses for nuclear explosions.

Hypothesis: It started on December 9, 1967.n
Options: 

 - yes

 - it is not possible to tell

 - no
user
no
assistant