Question: There is no natural source for green food colorings which has been approved by the US Food and Drug Administration. Chlorophyll, the E numbers E140 and E141, is the most common green chemical found in nature, and only allowed in certain medicines and cosmetic materials. Quinoline Yellow (E104) is a commonly used coloring in the United Kingdom but is banned in Australia, Japan, Norway and the United States. Green S (E142) is prohibited in many countries, for it is known to cause hyperactivity, asthma, urticaria, and insomnia.
Is there an answer to this question: What administration approved the use of E140 as a food dye?

Answer: unanswerable

Question: Once the elevator arrives at the floor, it will park with its doors open and the car buttons will be disabled to prevent a passenger from taking control of the elevator. Medical personnel must then activate the code-blue key switch inside the car, select their floor and close the doors with the door close button. The elevator will then travel non-stop to the selected floor, and will remain in code-blue service until switched off in the car. Some hospital elevators will feature a 'hold' position on the code-blue key switch (similar to fire service) which allows the elevator to remain at a floor locked out of service until code blue is deactivated.
Is there an answer to this question: What does the hold feature do?

Answer: allows the elevator to remain at a floor locked out of service until code blue is deactivated

Question: Spanish explorer Alonso de Salazar was the first European to see the islands in 1526, commanding the ship Santa Maria de la Victoria, the only surviving vessel of the Loaisa Expedition. On August 21, he sighted an island (probably Taongi) at 14N that he named "San Bartolome".
Is there an answer to this question: Who was the first person from Europe to observe the Marshall Islands?

Answer: Alonso de Salazar

Question: The Supervisory Board meets twice a month to discuss, plan and carry out the ECB's supervisory tasks. It proposes draft decisions to the Governing Council under the non-objection procedure. It is composed of Chair (appointed for a non-renewable term of five years), Vice-Chair (chosen from among the members of the ECB's Executive Board) four ECB representatives and representatives of national supervisors. If the national supervisory authority designated by a Member State is not a national central bank (NCB), the representative of the competent authority can be accompanied by a representative from their NCB. In such cases, the representatives are together considered as one member for the purposes of the voting procedure.
Is there an answer to this question: Besides the Chair and Vice-Chair, who else is on the Supervisory Board?

Answer:
four ECB representatives and representatives of national supervisors