Task: Question Answering
Input (English): Question: The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is ?

 Option A: 287 cm

 Option B: 151 cm

 Option C: 276 cm

 Option D: 287 cm

 Option E: 297 cm
Output (English): Option B