Person does not want (to) Virus. Person is related to Guard. Guard is related to Dog. Dog is a synonym of Click. 
Join is the opposite of Split. Split is a synonym of Separate. Separate is the opposite of Combine. Combine is a synonym of Unite. 
Virus <--NotDesires-- Person <--RelatedTo--> Guard <--RelatedTo--> Dog <--Synonym--> Click 
Join <--Antonym--> Split <--Synonym--> Separate <--Antonym--> Combine <--Synonym--> Unite 