One way to demonstrate the invalidity of this argument form is with a counterexample with true premises but an obviously false conclusion.
wˈʌn wˈeɪ tə dˈɛmənstɹˌeɪt ðɪ ɪnvəlˈɪdᵻɾi ʌv ðɪs ˈɑːɹɡjuːmənt fˈɔːɹm ɪz wɪð ɐ kˈaʊntɚɹɛɡzˌæmpəl wɪð tɹˈuː pɹˈɛmɪsᵻz bˌʌt ɐn ˈɑːbviəsli fˈɔls kəŋklˈuːʒən.