Bill is capable of reading two pages per minute, typing one hundred words per minute, and speaking twenty words per minute. All lawyers can read two pages per minute, and some philosophers can read two pages per minute. Only secretaries can type one hundred words per minute. Many chief executive officers can speak twenty words per minute, and few doctors can speak more than twenty words per minute. Which one of the following statements can be deduced from the argument? ['Bill is a doctor.', 'Bill is a secretary.', 'Bill is a philosopher.', 'Bill is a chief executive officer.']