Assess the emotional state conveyed in the sentence "if it seems like a minor miracle that its septuagenarian star is young enough to be the nonagenarian filmmaker 's son , more incredible still are the clear-eyed boldness and quiet irony with which actor and director take on life 's urgent questions .". Classify it as one of the following: 2: very positive, 1: positive, 0: neutral, -1: negative, -2: very negative.