sentence: We had a number of problems . The first one concerns the number of beds . You offered space to sleep for six people , so we expected six beds , but we only had five .
modified: We had a number of problems ; the first one is concerning the number of beds : You offered space to sleep for six persons so we excepted six bed , but we only had five .
transformation: PUNCT, VERB:TENSE, PUNCT, NOUN, PUNCT, VERB, NOUN:NUM