Task: Story Composition
Input (English): Premise: Alex is trying out for his school's baseball team. 
 Initial Context: Alex is not very good at throwing. 
 Original Ending: Alex works on his throwing skills for a few weeks. Alex has gotten very good at throwing. Alex's practice pays off and he makes the baseball team! 
 New ending: Alex works on his catching skills for a few weeks. Alex has gotten very good at catching. Alex's practice pays off and he makes the baseball team! 
Output (English): Alex is not very good at catching.