Problem: Does "Perhaps the biggest sustainability problem in Tucson, with its high desert climate, is potable water supply." answer the question "How much of Tucson's water is used on agriculture?"

A: no

Problem: Does "The Ecdysozoa are protostomes, named after the common trait of growth by moulting or ecdysis." answer the question "What groups is named after the trait of growth by moulting or ecdysis?"

A: yes

Problem: Does "Microorganisms can cause tissue damage by releasing a variety of toxins or destructive enzymes." answer the question "What does the of toxin Clostridium tetani releases do?"

A:
no