Task: Question Answering
Input (English): A scientist placed a sample of lithium into a container of water. The scientist observed the lithium floating and making a buzzing sound as gas bubbles were forming around it. Which conclusion is best supported by this observation?  
 (A) A chemical change took place. (B) The lithium was dissolved by the water. (C) Dissolved gases were released. (D) Water was vaporized.
Output (English): A