formal or informal(16)

Comment:1) Text B is a formal written discourse, characterized by its high lexical density whereas Text A is a loose spoken discourse, characterized by its low lexical density and more clauses. 2) )It is true that nominalization of Text B makes the formal discourse. 3) In Text B, we can also find adjectivization also does its part in making the discourse what it is. we can see that the underlined words unforeseen are of this kind.