Respuesta :
conjectured:
another way would be to read it as: "dr. olivae came to the conclusion that a robot..."
another way would be to read it as: "dr. olivae came to the conclusion that a robot..."
3) Conjectured actually means to presume; deduce through conjectures (which simply means opinions; hypothesis, assumptions).
Since Dr. Olivaw's sentence seems to be an assumption, that is, his opinion instead of a proven fact (deduced by the 'would be...'), then Conjectured would be the best option.