Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Ex Input:
Protons and neutrons are made of quarks, which are fundamental particles of matter.

Ex Output:
A fundamental particle of matter, protons and neutrons are made of these?


Ex Input:
The brain is the most complex organ in the human body.

Ex Output:
What is the most complex organ in the human body?


Ex Input:
Restoration ecologists type of ecologists work to identify and manipulate the processes that most limit recovery of ecosystems from disturbances.

Ex Output:
What type of ecologists work to identify and manipulate the processes that most limit recovery of ecosystems from disturbances?