What are you trying to say? Can you send pic?
Which word correctly completes this sentence? Estas camisetas son grandes, pero _________ son pequeñas.
Answer : Estas camisetas son grandes, pero aquellas son pequeñas.
Explanation : The subject in this sentence is "camisetas", that is a plural feminine noun, so the pronoun than replaces it must agree. Aquellas.
I am pretty sure it is Rana