Who exports to Spain the thread of kings?
        
             
        
        
        
Tus amigos fueron a comer
        
                    
             
        
        
        
Yes, it is present progressive tense. Therefore, the answer is 1,5
It only contains pronouns and verbs. 
However, it contains no adjectives following the noun such as hot, cold, etc.
Quiero
 I want
Pronoun/verb
este
this
pronoun
and
conjuction
not that one.
pronoun
Quiero este café y no aquél.
I want this coffee and not that one.