Yes, you could do it with a query combining columns F, G and H like this:
=ArrayFormula(if(A2:A="",,C2:C-vlookup(A2:A,query(filter({A2:A,COUNTIF(Respostas!B2:B,B2:B)},A2:A<>""),"select Col1,sum(Col2) group by Col1 label sum(Col2) ''"),2,false)<5))
or if you want to see the people with less than five responses:
=ArrayFormula(query(query(filter({A2:A,COUNTIF(Respostas!B2:B,B2:B)},A2:A<>""),"select Col1,sum(Col2) group by Col1 label sum(Col2) ''"),"select Col1, Col2 where Col2<5"))
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