Evan was in his bedroom when he heard the sound of breaking glass. he went out to the kitchen to see a vase broken on the floor and his dog walking away. evan said "the dog broke the vase! ” this statement is an

a. observation because he knows that his dog broke the vase.
b. observation because he heard the vase break before he came into the room.
c. inference because he formed a logical conclusion based on the evidence.
d. inference because he is blaming the dog without any proof.