SELECT T1.Name FROM Tourist_Attractions AS T1 JOIN VISITORS AS T2 JOIN VISITS AS T3 ON T1.Tourist_Attraction_ID  =  T3.Tourist_Attraction_ID AND T2.Tourist_ID  =  T3.Tourist_ID WHERE T2.Tourist_Details  =  "Alison" EXCEPT SELECT T1.Name FROM Tourist_Attractions AS T1 JOIN VISITORS AS T2 JOIN VISITS AS T3 ON T1.Tourist_Attraction_ID  =  T3.Tourist_Attraction_ID AND T2.Tourist_ID  =  T3.Tourist_ID WHERE T2.Tourist_Details  =  "Rosalind"
Find the the names of the tourist attractions that the tourist named Alison visited but Rosalind did not visit.
SELECT T1.Name FROM Tourist_Attractions AS T1 JOIN VISITORS AS T2 JOIN VISITS AS T3 ON T1.Tourist_Attraction_ID = T3.Tourist_Attraction_ID AND T2.Tourist_ID = T3.Tourist_ID WHERE T2.Tourist_Details = `` Alison '' EXCEPT SELECT T1.Name FROM Tourist_Attractions AS T1 JOIN VISITORS AS T2 JOIN VISITS AS T3 ON T1.Tourist_Attraction_ID = T3.Tourist_Attraction_ID AND T2.Tourist_ID = T3.Tourist_ID WHERE T2.Tourist_Details = `` Rosalind ''
select t1 . name from tourist_attractions as t1 join visitors as t2 join visits as t3 on t1 . tourist_attraction_id = t3 . tourist_attraction_id and t2 . tourist_id = t3 . tourist_id where t2 . tourist_details = value except select t1 . name from tourist_attractions as t1 join visitors as t2 join visits as t3 on t1 . tourist_attraction_id = t3 . tourist_attraction_id and t2 . tourist_id = t3 . tourist_id where t2 . tourist_details = value
Find the the names of the tourist attractions that the tourist named Alison visited but Rosalind did not visit .