I'm trying to do the following use case:-

Question 1:

Do you have an apple?

Option 1: Yes

Option 2: No

If yes, then show the following questions:-

Question 1 (a):

What is the weight of an apple?

Integer

Question 1 (b):

What is the false weight of an apple?

Integer

Question 1 (c)

Calculation = Q1(a) - Q1(c)

Question 2:

Do you have a banana?

Option 1: Yes

Option 2: No

If yes, then show the following questions:-

Question 2 (a):

What is the weight of a banana?

Integer <value should be Q1(c)>

Question 2 (b):

What is the false weight of a banana?

Integer

Question 2 (c)

Calculation = Q2(a) - Q2(c)

Question 3:

Do you have an orange?

Option 1: Yes

Option 2: No

If no, then skip to question 4

Question 4:

Do you have mangoes?

Option 1: Yes

Option 2: No

If yes, then show the following questions:-

Question 4 (a):

What is the weight of mangoes?

Integer <value should be Q2(c)>

Question 4 (b):

What is the false weight of mangoes?

Integer

Question 4 (c)

Calculation = Q4(a) - Q4(c)