Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Wani gwaji na yau da kullum na hankali shine gwajin gwaji.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Gwajin gwaji na yau da kullum shine gwajin gwaji inda aka yi amfani da shinge na gilashi tsakanin tsuntsu da wani abu kamar abinci a cikin saitin. "