In the first illustration, the dogs are divided according to the product (interaction) of two binary groupings: young vs old, and short-haired vs long-haired (e.g., group 1 is young, short-haired dogs, group 2 is young, long-haired dogs, etc.).
ɪnðə fˈɜːst ˌɪləstɹˈeɪʃən, ðə dˈɑːɡz ɑːɹ dᵻvˈaɪdᵻd ɐkˈoːɹdɪŋ tə ðə pɹˈɑːdʌkt ˌɪntɚɹˈækʃən ʌv tˈuː bˈaɪnɚɹi ɡɹˈuːpɪŋz: jˈʌŋ vˌiːˈɛs ˈoʊld, ænd ʃˈɔːɹthˈɛɹd vˌiːˈɛs lˈɔŋhˈɛɹd ˈiː.dʒˈiː., ɡɹˈuːp wˈʌn ɪz jˈʌŋ, ʃˈɔːɹthˈɛɹd dˈɑːɡz, ɡɹˈuːp tˈuː ɪz jˈʌŋ, lˈɔŋhˈɛɹd dˈɑːɡz, ɛtsˈɛtɹə..