Q: Do hamsters provide food for any animals?
A: Rewriting in simple words, the question is: "Do other animals eat hamsters?"
Now, to answer the rewritten question, Hamsters are prey animals. Prey are food for predators. Thus, hamsters provide food for some animals. So the answer is yes.

Q: Could Brooke Shields succeed at University of Pennsylvania?
A: Rewriting in simple words, the question is: "Would Brooke Shields be able to do well at the University of Pennsylvania?"
Now, to answer the rewritten question, Brooke Shields went to Princeton University. Princeton University is about as academically rigorous as the University of Pennsylvania. Thus, Brooke Shields could also succeed at the University of Pennsylvania. So the answer is yes.

Q: Yes or no: Hydrogen’s atomic number squared exceeds number of Spice Girls?
A: Rewriting in simple words, the question is: "Is the square of hydrogen's atomic number greater than the number of Spice Girls?"
Now, to answer the rewritten question, Hydrogen has an atomic number of 1. 1 squared is 1. There are 5 Spice Girls. Thus, Hydrogen’s atomic number squared is less than 5. So the answer is no.

Q: Yes or no: Is it common to see frost during some college commencements?
A: Rewriting in simple words, the question is: "Do college graduation ceremonies often have frost?"
Now, to answer the rewritten question, College commencement ceremonies can happen in December, May, and June. December is in the winter, so there can be frost. Thus, there could be frost at some commencements. So the answer is yes.

Q: Yes or no: Could a llama birth twice during War in Vietnam (1945-46)?
A: Rewriting in simple words, the question is: "Is it possible for a llama to give birth twice during the Vietnam War from 1945-46?"
Now, to answer the rewritten question, The War in Vietnam was 6 months. The gestation period for a llama is 11 months, which is more than 6 months. Thus, a llama could not give birth twice during the War in Vietnam. So the answer is no.

Q: Yes or no: Would a pear sink in water?
A: Rewriting in simple words, the question is: "If placed in water, will a pear float or sink?"
Now, to answer the rewritten question, The density of a pear is about 0.6g/cm3, which is less than water. Objects less dense than water float. Thus, a pear would float. So the answer is no.
