The following piece of code is pasted into the Text property of a label and assumes your dropdowns have two choices, either a "Yes" or a "No". There are more elegant ways to express this, but this reads the most intuitively for me:
If(
Or(
PHC1.Selected.Choice = "Yes",
PHC2.Selected.Choice = "Yes",
PHC3.Selected.Choice = "Yes",
PHC4.Selected.Choice = "Yes",
PHC5.Selected.Choice = "Yes",
PHC6.Selected.Choice = "Yes",
PHC7.Selected.Choice = "Yes"
)
&& // If any one from PHC and SPC are both a "Yes"
Or(
SPC1.Selected.Choice = "Yes",
SPC2.Selected.Choice = "Yes",
SPC3.Selected.Choice = "Yes",
SPC4.Selected.Choice = "Yes",
SPC5.Selected.Choice = "Yes",
SPC6.Selected.Choice = "Yes",
SPC7.Selected.Choice = "Yes",
SPC8.Selected.Choice = "Yes"
),
"Level is 3", // Set the label to Level 3
And( // If all the choices are set to "No"
PHC1.Selected.Choice = "No",
PHC2.Selected.Choice = "No",
PHC3.Selected.Choice = "No",
PHC4.Selected.Choice = "No",
PHC5.Selected.Choice = "No",
PHC6.Selected.Choice = "No",
PHC7.Selected.Choice = "No",
SPC1.Selected.Choice = "No",
SPC2.Selected.Choice = "No",
SPC3.Selected.Choice = "No",
SPC4.Selected.Choice = "No",
SPC5.Selected.Choice = "No",
SPC6.Selected.Choice = "No",
SPC7.Selected.Choice = "No",
SPC8.Selected.Choice = "No"
),
"Level is 1", // Set the label to Level 1
"Level is 2" // Set the label to Level 2 for all other cases
)