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by diegorbaquero 2250 days ago
This is expected, not wanted though, I would expect some semantic analysis translated into "shirt -stripes", but what you really mean is "solid color shirt". This is a tough one but surely something that can be tackled with research
2 comments

shirt -stripes does not mean "solid color shirt", as the - operator looks for that text on the page, instead of performing a semantic "I don't want stripes".
And "shirt without stripes" doesn't mean solid color shirt either. Could have spots. Could be Hawaiian print. Is plaid striped?
stripes are not the only pattern besides solid color.