Here's a problem to solve: A student filled three beakers, each with 50 milliliters of liquid water. The student cooled Beaker 1 to form ice. The student heated Beaker 2 to form water vapor (gas). Beaker 3 remained at room temperature. What process takes place when liquid water changes to a vapor (gas)?

Among the 4 following options, which is the correct answer?

- A: condensation
 
- B: evaporation
 
- C: freezing
 
- D: melting
 