10 points] Using the grammar below, how many legal sentences are there? Why is that? Suppose white space was completely ignored in the grammar so that sentences could be written as "thegirlseesadog." Can this grammar still be parsed? Explain (1) sentence-noun-phrase verb-phrase (2) noun-phrase article noun (3) article a | the (4) noun- girl | dog (5) verb-phraseverb noun-phrase 6) verb sees pets Figure 6.2 A grammar for simple english sentences