ðeɪ ˌɪntɹədˈuːst ðɪ ˈoʊld hˈaʊs sˈɪstəm ʌv fˈoːɹ ˈaɪ.ˈiː. pˈætɹɪk, ɡˈæbɹiːəl, ˈændɹuː ænd dˈeɪvɪd ɐmˌʌŋ ðə stˈuːdənts fɔːɹ hˈɛlθi kˌɑːmpətˈɪʃən.
They introduced the old house system of four i.e. Patrick, Gabriel, Andrew and David among the students for healthy competition.