sentence: CLIL implementation is always a challenge for the teacher , but it seems to be even more difficult when talking about subjects like Arts and Crafts , which are more based on the acquisition of skills and the development of another language , the artistic .
modified: CLIL implementation is always a challenge for the teacher , but it seems to be even more difficult when talking about subjects as Arts and Crafts which are more based on the acquisition of skills and the development of another language , the artistic .
transformation: PREP, PUNCT