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			A student is required to create an addition word problem based on the diagrams below.

Based on the information above, which of the following word problems is most suitable?
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- There are 4 watermelons in basket P. How many watermelons are there altogether?
 
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- There are 4 watermelons in basket P. There are 5 watermelons in basket Q. How many watermelons are there altogether?
 
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- There are 5 watermelons in basket P. There are 4 watermelons in basket Q. How many watermelons are there altogether?
 
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- There are 9 watermelons in baskets P and Q. How many watermelons are there altogether?